User:Unque/29edo Counterpoint Treatise - Revision history

Unque at 11:38, 30 April 2026

2026-04-30T11:38:19Z

← Older revision		Revision as of 11:38, 30 April 2026
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	=== Tonics and Resolution ===		=== Tonics and Resolution ===
	A phrase should begin and end with all voices on the tonic, or on a perfect consonance with respect to it. At the end of a phrase, the tonic is to be approached from above or below by a conjunction (see Interval Categories). The chromatic semitone is primarily encouraged, but other resolutions are also possible.		A phrase should begin and end with all voices on the tonic, or on a perfect consonance with respect to it, unless employing a specific tonal resolution chord. At the end of a phrase, the tonic is to be approached from above or below by a conjunction (see Interval Categories). The chromatic semitone is primarily encouraged, but other resolutions are also possible.

	=== Interval Categories ===		=== Interval Categories ===
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	=== Cadences ===		=== Cadences ===
	When resolving at the end of a phrase, cadences should generally involve two or more voices moving by conjunctions in opposite directions. One or more of the voices should land on the tonic pitch, and all others should land on perfect consonances with respect to one another.		When resolving at the end of a phrase, cadences should generally involve two or more voices moving by conjunctions in opposite directions. One or more of the voices should land on the tonic pitch, and all others should land on perfect consonances with respect to one another; where there are three or more voices, specific tonal chords may apply as well.

	In 29edo, the intervals between two voices should generally begin on perfect consonances, move towards imperfect consonances, and finally utilize cadential consonances to create tension before resolving. The interordinal intervals (supermajor and subminor thirds and sixths) are extremely tense, and each one either exceeds or falls short of a perfect consonance by two chromatic semitones (a total of 6\29). This creates an extremely clear path to resolution via two types of movement:		In 29edo, the intervals between two voices should generally begin on perfect consonances, move towards imperfect consonances, and finally utilize cadential consonances to create tension before resolving. The interordinal intervals (supermajor and subminor thirds and sixths) are extremely tense, and each one either exceeds or falls short of a perfect consonance by two chromatic semitones (a total of 6\29). This creates an extremely clear path to resolution via two types of movement:

Unque: Various cleanup

2025-10-07T16:29:14Z

Various cleanup

← Older revision		Revision as of 16:29, 7 October 2025
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	{{Todo\|inline=1\|audio examples}}		{{Todo\|inline=1\|audio examples}}

	~~'''Note: This page is currently under construction, and will be subject to major expansion in the near future. Come back soon!'''~~

	On this page, I attempt to document in full my experience with writing counterpoint using [[29edo]] and the 29-form, with extrapolations that I've made into guidelines of a sort, which others may use as a jumping-off point for their own excursions into writing counterpoint, whether in 29edo itself or in other systems where these ideas or extrapolations therefrom may apply. These guidelines arise in large part from a combination of the writings of [[wikipedia:Johann_Joseph_Fux\|Johann Fux]] and [[wikipedia:Marchetto_da_Padova\|Marchetto da Padova]], analysis of the works of [[wikipedia:Johann_Sebastian_Bach\|J.S. Bach]], and parameters that arose simply from trial and error in my own composition.		On this page, I attempt to document in full my experience with writing counterpoint using [[29edo]] and the 29-form, with extrapolations that I've made into guidelines of a sort, which others may use as a jumping-off point for their own excursions into writing counterpoint, whether in 29edo itself or in other systems where these ideas or extrapolations therefrom may apply. These guidelines arise in large part from a combination of the writings of [[wikipedia:Johann_Joseph_Fux\|Johann Fux]] and [[wikipedia:Marchetto_da_Padova\|Marchetto da Padova]], analysis of the works of [[wikipedia:Johann_Sebastian_Bach\|J.S. Bach]], and parameters that arose simply from trial and error in my own composition.

	== Preface on Notation ==		== Preface on Notation ==
	A few notable notational features will be considered for this page. Intervals will be noted using extended diatonic notation (with ♯/♭ representing raising and lowering by a chromatic semitone, and ^/v representing raising or lowering by a diesis). Intervals included in diatonic modes will be noted with their diatonic names (where "major" and "minor" forms of an interval are respectively the wider and narrower interval that fall on a given degree), and intervals outside those modes will be denoted as "super-"/"supra-" and "sub-" forms of the closest diatonic interval. Where necessary, interval qualities may be abbreviated: m for minor, M for major, s for sub-, and S for super-/supra-. EDOstep notation (where n\29 represents n steps of 29edo, not to be confused with the JI interval n/29) may also be used for clarification when extended diatonic notation may provide difficulty to parse.		A few notable notational features will be considered for this page. Intervals will be noted using extended diatonic notation (with ♯/♭ representing raising and lowering by a chromatic semitone, and ^/v representing raising or lowering by a diesis). Intervals included in diatonic modes will be noted with their diatonic names (where "major" and "minor" forms of an interval are respectively the wider and narrower interval that fall on a given degree), and intervals outside those modes will be denoted as "super-"/"supra-" and "sub-" forms of the closest diatonic interval. Where necessary, interval qualities may be abbreviated: m for minor, M for major, s for sub-, and S for super-/supra-. EDOstep notation (where n\29 represents n steps of 29edo, not to be confused with the JI interval n/29) may also be used for clarification when extended diatonic notation may provide difficulty to parse.

	Interval equivalences created by 29edo will be considered equivalent here. Where multiple spellings are available in notation, sharps/flats will be prioritized over ups/downs, as it makes clear the movement by chromatic semitones; for instance, C♭ will be favored over vB. However, extended diatonic names will be favored over fifthwise names when possible, as these names are easier to parse when discussing interval sizes; for instance, "subminor third" will be favored over "doubly augmented unison" or "doubly diminished fourth," even if the interval using spellings such as C♯-F♭ or C♭-C♯		Interval equivalences created by 29edo will be considered equivalent here. Where multiple spellings are available in notation, sharps/flats will be prioritized over ups/downs, as it makes clear the movement by chromatic semitones; for instance, C♭ will be favored over vB. However, extended diatonic names will be favored over fifthwise names when possible, as these names are easier to parse when discussing interval sizes; for instance, "supermajor second" or "subminor third" will be favored over "doubly augmented unison" or "doubly diminished fourth," even if the interval using spellings such as C♯-F♭ or C♭-C♯

	== General Principles ==		== General Principles ==
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	#* Perfect Fourth (12\29)		#* Perfect Fourth (12\29)
	# '''Imperfect consonances''' are permitted as melodic steps. Between voices, imperfect consonances may be approached through any means, and as such are encouraged as the main class of interval to use in the middle of phrases.		# '''Imperfect consonances''' are permitted as melodic steps. Between voices, imperfect consonances may be approached through any means, and as such are encouraged as the main class of interval to use in the middle of phrases.
			#* Major Second (5\29)<sup>†</sup>
	#* Minor third (7\29)		#* Minor third (7\29)
	#* Major third (10\29)		#* Major third (10\29)
	# '''Cadential consonances''' are permitted as melodic steps, but should be used with reserve. Between voices, cadential consonances may be approached through any means, but they tend to resolve by contrary motion to a perfect consonance.		# '''Cadential consonances''' are permitted as melodic steps, but should be used with reserve. Between voices, cadential consonances may be approached through any means, but they tend to resolve by contrary motion to a perfect consonance.
	#* Subminor Third (6\29)		#* Supermajor Second / Subminor Third (6\29)<sup>†</sup>
	#* Supraminor Third (8\29)		#* Supraminor Third (8\29)
	#* Submajor Third (9\29)		#* Submajor Third (9\29)
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	#* Supraminor Second / Chromatic Semitone (3\29)		#* Supraminor Second / Chromatic Semitone (3\29)
	#* Submajor Second (4\29)		#* Submajor Second (4\29)
	#* Major Second (5\29)		#* Major Second (5\29)<sup>†</sup>
			#* Supermajor Second / Subminor Third (6\29)<sup>†</sup>
	#'''Dissonances''' are not permitted as melodic steps, and should generally be avoided between any two voices.		#'''Dissonances''' are not permitted as melodic steps, and should generally be avoided between any two voices.
	#*Augmented Third (13\29)		#*Augmented Third (13\29)
	#*Diminished Fifth (14\29)		#*Diminished Fifth (14\29)
	# The '''Diesis''' or '''Superunison''' (1\29) is permitted as a passing tone in melodies. Two voices should never be separated by the interval of a diesis except as a brief transitional position between a unison and another interval. The same guidelines apply to the Suboctave (28\29) or the Superoctave (30\29).		# The '''Diesis''' or '''Superunison''' (1\29) is permitted only as a passing tone in melodies; a voice should strongly avoid movement by a diesis on a strong beat, as the small size can destabilize the tonality. Two voices should never be separated by the interval of a diesis except as a brief transitional position between a unison and another interval. The same guidelines apply to the Suboctave (28\29) or the Superoctave (30\29).
			<small><sup>†</sup>Note the overlap between certain categories: the Major Second (5\29) may function either as an imperfect consonance or a conjunction; the Supermajor Second (6\29), or Subminor Third, similarly may function as either a cadential consonance or a conjunction.</small>

	=== Contour ===		=== Contour ===
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	The voices within a fugue should form a clear hierarchy of range; one voice should remain the lowest, another the highest, and so on for any additional voices. Two adjacent voices may play a unison, but a lower voice may not reach a pitch higher than the voice above it.		The voices within a fugue should form a clear hierarchy of range; one voice should remain the lowest, another the highest, and so on for any additional voices. Two adjacent voices may play a unison, but a lower voice may not reach a pitch higher than the voice above it.

	The interval between two adjacent voices generally should ~~not exceed~~ a Supermajor Tenth (40\29) unless absolutely necessary to avoid dissonances or provide melodic coherence within each individual voice.		The interval between two adjacent voices generally should avoid exceeding a Supermajor Tenth (40\29) unless absolutely necessary to avoid dissonances or provide melodic coherence within each individual voice.

	=== Cadences ===		=== Cadences ===
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	Due to the 29-form's inherent pull towards 3-limit structures, the diatonic scale is an integral part of its structure. The tonality of a fugue is most intuitively derived from the modes of the diatonic scale; specifically, the major and minor tonality respectively draw from the properties of the major and minor forms of the third degree of that scale.		Due to the 29-form's inherent pull towards 3-limit structures, the diatonic scale is an integral part of its structure. The tonality of a fugue is most intuitively derived from the modes of the diatonic scale; specifically, the major and minor tonality respectively draw from the properties of the major and minor forms of the third degree of that scale.

	No matter the tonality, perfect consonances with respect to the root take precedence over all other intervals, and should be the most emphasized intervals in a given melody. Subjects should be written primarily, if not entirely, in the diatonic scale, though the exact mode used depends on the tonality; ~~however~~, ~~countermelodies~~ and elaborations on the subject should access additional tones outside of the diatonic scale to create more diverse harmonies and eventually use interordinals as final tensions to create cadences.		No matter the tonality, perfect consonances with respect to the root take precedence over all other intervals, and should be the most emphasized intervals in a given melody. Subjects should be written primarily, if not entirely, in the diatonic scale, though the exact mode used depends on the tonality; exceptions are made for the notes a chromatic semitone above or below the root, in order for the melody to form aforementioned cadences when a countermelody is added. Countermelodies and elaborations on the subject, however, should access additional tones outside of the diatonic scale to create more diverse harmonies and eventually use interordinals as final tensions to create cadences.

	=== Major Tonality ===		=== Major Tonality ===
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	In the major tonality, expanding cadences are encouraged when resolving to fourths, and contracting cadences are encouraged when resolving to fifths. This motion ensures that the tonic pitch is approached from below rather than from above, which creates a brighter sound more indicative of a major key.		In the major tonality, expanding cadences are encouraged when resolving to fourths, and contracting cadences are encouraged when resolving to fifths. This motion ensures that the tonic pitch is approached from below rather than from above, which creates a brighter sound more indicative of a major key.

	When using more than two distinct voices, it is often desirable to use fuller chords for resolutions at the end of a phrase, rather than simply doubling the root or fifth across octaves. The following chords are considered for major resolutions, listed in order of consonance potential:		When using more than two distinct voices, it is often desirable to use fuller chords for resolutions at the end of a phrase, rather than simply doubling the root or fifth across octaves. Ideally, these fuller resolutions should be constructed such that the interval between any two pitches is a perfect or imperfect consonance; . The following chords are considered for major resolutions, listed in order of consonance potential:

	* Requiring three or more voices:		* Requiring three or more voices:

Unque: Various cleanup

2025-09-25T15:58:42Z

Various cleanup

← Older revision		Revision as of 15:58, 25 September 2025
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	{{Breadcrumb\|29edo}}		{{Breadcrumb\|29edo}}

	{{Todo\|inline=1\| ~~add~~ audio ~~and sheet music~~ examples}}		{{Todo\|inline=1\|audio examples}}

	'''Note: This page is currently under construction, and will be subject to major expansion in the near future. Come back soon!'''		'''Note: This page is currently under construction, and will be subject to major expansion in the near future. Come back soon!'''
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	A few notable notational features will be considered for this page. Intervals will be noted using extended diatonic notation (with ♯/♭ representing raising and lowering by a chromatic semitone, and ^/v representing raising or lowering by a diesis). Intervals included in diatonic modes will be noted with their diatonic names (where "major" and "minor" forms of an interval are respectively the wider and narrower interval that fall on a given degree), and intervals outside those modes will be denoted as "super-"/"supra-" and "sub-" forms of the closest diatonic interval. Where necessary, interval qualities may be abbreviated: m for minor, M for major, s for sub-, and S for super-/supra-. EDOstep notation (where n\29 represents n steps of 29edo, not to be confused with the JI interval n/29) may also be used for clarification when extended diatonic notation may provide difficulty to parse.		A few notable notational features will be considered for this page. Intervals will be noted using extended diatonic notation (with ♯/♭ representing raising and lowering by a chromatic semitone, and ^/v representing raising or lowering by a diesis). Intervals included in diatonic modes will be noted with their diatonic names (where "major" and "minor" forms of an interval are respectively the wider and narrower interval that fall on a given degree), and intervals outside those modes will be denoted as "super-"/"supra-" and "sub-" forms of the closest diatonic interval. Where necessary, interval qualities may be abbreviated: m for minor, M for major, s for sub-, and S for super-/supra-. EDOstep notation (where n\29 represents n steps of 29edo, not to be confused with the JI interval n/29) may also be used for clarification when extended diatonic notation may provide difficulty to parse.

	Interval equivalences created by 29edo will be considered equivalent here. Where multiple spellings are available in notation, sharps/flats will be prioritized over ups/downs, as it makes clear the movement by chromatic semitones; for instance, C♭ will be favored over vB. ~~Extended~~ diatonic names will be favored over fifthwise names when possible~~, however~~, as these names are easier to parse when discussing interval sizes; for instance, "subminor third" will be favored over "doubly augmented unison" or "doubly diminished fourth," even ~~when~~ the interval ~~is spelled~~ as ~~if it were a fourth minus two chromatic semitones.~~		Interval equivalences created by 29edo will be considered equivalent here. Where multiple spellings are available in notation, sharps/flats will be prioritized over ups/downs, as it makes clear the movement by chromatic semitones; for instance, C♭ will be favored over vB. However, extended diatonic names will be favored over fifthwise names when possible, as these names are easier to parse when discussing interval sizes; for instance, "subminor third" will be favored over "doubly augmented unison" or "doubly diminished fourth," even if the interval using spellings such as C♯-F♭ or C♭-C♯

	== General Principles ==		== General Principles ==
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	Note also that all four types of interordinal intervals have at least one type of resolution available. As such, the tension between two voices can be determined plainly by the type of cadence and the quality of the resolution, and conversely, the resolution can be determined plainly by the type of cadence and the quality of the tension.		Note also that all four types of interordinal intervals have at least one type of resolution available. As such, the tension between two voices can be determined plainly by the type of cadence and the quality of the resolution, and conversely, the resolution can be determined plainly by the type of cadence and the quality of the tension.
	{\| class="wikitable"		{\| class="wikitable"
	\|+Determining ~~tensions~~ for known resolutions		\|+Determining cadential intervals for known resolutions
	!Cadence Type		!Cadence Type
	!Unison		!Unison
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	\|}		\|}
	{\| class="wikitable"		{\| class="wikitable"
	\|+Determining resolutions for known ~~tensions~~		\|+Determining resolutions for known cadential intervals
	!Cadence Type		!Cadence Type
	!Subminor Third		!Subminor Third
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	** 1 - P4 - P5 - M6		** 1 - P4 - P5 - M6
	** 1 - M2 - P5 - M6		** 1 - M2 - P5 - M6
	[[File:3-voice Contracting Cadence.png\|thumb\|An example of a three-voice cadence. Notice how the lower two voices create ~~a contracting~~ cadence into the perfect fourth, while the highest voice moves in parallel with the middle voice.]]		[[File:3-voice Contracting Cadence.png\|thumb\|An example of a three-voice cadence. Notice how the lower two voices create an expanding cadence into the perfect fourth, while the highest voice moves in parallel with the middle voice.]]
	Inversions of these chords may apply; for instance, M3 - P5 - P8 is considered to have the same consonance potential as 1 - M3 - P5. It should be noted, however, that the highest and lowest voice will be the most prominent in a given chord, and it is thus encouraged that those voices play the root or fifth of the key in resolutions when possible.		Inversions of these chords may apply; for instance, M3 - P5 - P8 is considered to have the same consonance potential as 1 - M3 - P5. It should be noted, however, that the highest and lowest voice will be the most prominent in a given chord, and it is thus encouraged that those voices play the root or fifth of the key in resolutions when possible.

	Tensions towards these resolutions can be made by combining types of expanding and contracting cadences; for instance, the chord 1 - M3 - P5 may be approached by a tension ~~SM7 - S4 - sm6 or~~ SM7 - m3 - sm6, as each voice in the tension differs from its resolution by one chroma.		Tensions towards these resolutions can be made by combining types of expanding and contracting cadences; for instance, the chord 1 - M3 - P5 may be approached by a tension such as SM7 - m3 - sm6, where each voice in the tension differs from its resolution by one chroma.

	Finally, and perhaps most importantly, resolutions with lower consonance potential should be avoided as the final resolution of the piece, but are encouraged to be employed at the end of a phrase before a transition to another section.		Finally, and perhaps most importantly, resolutions with lower consonance potential should be avoided as the final resolution of the piece, but are encouraged to be employed at the end of a phrase before a transition to another section.
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	==== Minor Modes ====		==== Minor Modes ====
	Three diatonic modes contain minor triads over the root: Dorian, Aeolian, and Phrygian. Just like with the major modes, each of these modes has its own distinct sound that can provide different pros and cons for writing ~~fugues~~.		Three diatonic modes contain minor triads over the root: Dorian, Aeolian, and Phrygian. Just like with the major modes, each of these modes has its own distinct sound that can provide different pros and cons for writing fugue subjects.

	The Dorian mode's major sixth degree is exceptionally useful as a lead into the diminished octave / submajor seventh, being four steps away rather than the awkward seven-step lurch that would occur in the other modes. The diminished octave is one of the most important types of leading intervals into the root, because it is included in four of the seven perfect types of cadences. This feature alone makes Dorian one of the most desirable minor modes for counterpoint writing, since the other modes must either employ a minor third step size, add more non-diatonic intervals to the subject to bypass this step size, or find another method of resolution.		The Dorian mode's major sixth degree is exceptionally useful as a lead into the diminished octave / submajor seventh, being four steps away rather than the awkward seven-step lurch that would occur in the other modes. The diminished octave is one of the most important types of leading intervals into the root, because it is included in four of the seven perfect types of cadences. This feature alone makes Dorian one of the most desirable minor modes for counterpoint writing, since the other modes must either employ a minor third step size, add more non-diatonic intervals to the subject to bypass this step size, or find another method of resolution.

Unque: Cleaned up the preface on notation

2025-08-31T17:46:55Z

Cleaned up the preface on notation

← Older revision		Revision as of 17:46, 31 August 2025
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	== Preface on Notation ==		== Preface on Notation ==
	A few notable features will be considered for this page. Intervals will be noted using extended diatonic notation (with ♯/♭ representing raising and lowering by a chromatic semitone, and ^/v representing raising or lowering by a diesis). Intervals included in diatonic modes will be noted with their diatonic names (where "major" and "minor" forms of an interval are respectively the wider and narrower interval that fall on a given degree), and intervals outside those modes will be denoted as "super-"/"supra-" and "sub-" forms of the closest diatonic interval. Where necessary, interval qualities may be abbreviated: m for minor, M for major, s for sub-, and S for super-/supra-.		A few notable notational features will be considered for this page. Intervals will be noted using extended diatonic notation (with ♯/♭ representing raising and lowering by a chromatic semitone, and ^/v representing raising or lowering by a diesis). Intervals included in diatonic modes will be noted with their diatonic names (where "major" and "minor" forms of an interval are respectively the wider and narrower interval that fall on a given degree), and intervals outside those modes will be denoted as "super-"/"supra-" and "sub-" forms of the closest diatonic interval. Where necessary, interval qualities may be abbreviated: m for minor, M for major, s for sub-, and S for super-/supra-. EDOstep notation (where n\29 represents n steps of 29edo, not to be confused with the JI interval n/29) may also be used for clarification when extended diatonic notation may provide difficulty to parse.

	~~Sheet music examples, however~~, will ~~employ the fewest number of~~ ups ~~and~~ downs ~~necessary~~; for instance, C♭ will be favored over ~~^B, though in the key of C this note will still be called the submajor seventh rather than the diminished octave~~. ~~EDOstep notation (where n\29 represents n steps of 29edo, not to~~ be ~~confused with the JI interval n/29) may also be used for clarification~~ when ~~extended diatonic notation may provide difficulty~~ to parse.		Interval equivalences created by 29edo will be considered equivalent here. Where multiple spellings are available in notation, sharps/flats will be prioritized over ups/downs, as it makes clear the movement by chromatic semitones; for instance, C♭ will be favored over vB. Extended diatonic names will be favored over fifthwise names when possible, however, as these names are easier to parse when discussing interval sizes; for instance, "subminor third" will be favored over "doubly augmented unison" or "doubly diminished fourth," even when the interval is spelled as if it were a fourth minus two chromatic semitones.

	~~Interval equivalences created by 29edo will be considered equivalent here: the~~ interval ~~at 6\29,~~ for instance, ~~will be noted as a~~ "subminor third" ~~even if spelled in sheet music as a~~ doubly augmented unison or a doubly diminished fourth, ~~because this name~~ is ~~more descriptive and easier to parse when considering an equal temperament sequence~~.

	== General Principles ==		== General Principles ==

Unque at 17:13, 31 August 2025

2025-08-31T17:13:40Z

← Older revision		Revision as of 17:13, 31 August 2025
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	Because the minor tonality is inherently darker than major, the more dissonant available resolutions are not discouraged as strongly as they are in major keys. However, the final resolution of a fugue often benefits from using a major resolution to create a bright turnaround, as this lends a greater sense of finality to the piece as a whole.		Because the minor tonality is inherently darker than major, the more dissonant available resolutions are not discouraged as strongly as they are in major keys. However, the final resolution of a fugue often benefits from using a major resolution to create a bright turnaround, as this lends a greater sense of finality to the piece as a whole.

			== See Also ==

			* [[29edo/Unque's compositional approach]]

	[[Category:29edo]]		[[Category:29edo]]
	[[Category:Approaches to tuning systems]]		[[Category:Approaches to tuning systems]]

Unque: Clarified notation, added sheet music, and lots of minor cleanup

2025-08-30T15:25:01Z

Clarified notation, added sheet music, and lots of minor cleanup

← Older revision		Revision as of 15:25, 30 August 2025
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	'''Note: This page is currently under construction, and will be subject to major expansion in the near future. Come back soon!'''		'''Note: This page is currently under construction, and will be subject to major expansion in the near future. Come back soon!'''

	On this page, I attempt to document in full my experience with writing counterpoint using 29edo and the 29-form, with extrapolations that I've made into guidelines of a sort, which others may use as a jumping-off point for their own excursions into writing counterpoint, whether in 29edo itself or in other systems where these ideas or extrapolations therefrom may apply. These guidelines arise in large part from a combination of the writings of [[wikipedia:Johann_Joseph_Fux\|Johann Fux]] and [[wikipedia:Marchetto_da_Padova\|Marchetto da Padova]], analysis of the works of [[wikipedia:Johann_Sebastian_Bach\|J.S. Bach]], and parameters that arose simply from trial and error in my own composition.		On this page, I attempt to document in full my experience with writing counterpoint using [[29edo]] and the 29-form, with extrapolations that I've made into guidelines of a sort, which others may use as a jumping-off point for their own excursions into writing counterpoint, whether in 29edo itself or in other systems where these ideas or extrapolations therefrom may apply. These guidelines arise in large part from a combination of the writings of [[wikipedia:Johann_Joseph_Fux\|Johann Fux]] and [[wikipedia:Marchetto_da_Padova\|Marchetto da Padova]], analysis of the works of [[wikipedia:Johann_Sebastian_Bach\|J.S. Bach]], and parameters that arose simply from trial and error in my own composition.

			== Preface on Notation ==
			A few notable features will be considered for this page. Intervals will be noted using extended diatonic notation (with ♯/♭ representing raising and lowering by a chromatic semitone, and ^/v representing raising or lowering by a diesis). Intervals included in diatonic modes will be noted with their diatonic names (where "major" and "minor" forms of an interval are respectively the wider and narrower interval that fall on a given degree), and intervals outside those modes will be denoted as "super-"/"supra-" and "sub-" forms of the closest diatonic interval. Where necessary, interval qualities may be abbreviated: m for minor, M for major, s for sub-, and S for super-/supra-.

			Sheet music examples, however, will employ the fewest number of ups and downs necessary; for instance, C♭ will be favored over ^B, though in the key of C this note will still be called the submajor seventh rather than the diminished octave. EDOstep notation (where n\29 represents n steps of 29edo, not to be confused with the JI interval n/29) may also be used for clarification when extended diatonic notation may provide difficulty to parse.

			Interval equivalences created by 29edo will be considered equivalent here: the interval at 6\29, for instance, will be noted as a "subminor third" even if spelled in sheet music as a doubly augmented unison or a doubly diminished fourth, because this name is more descriptive and easier to parse when considering an equal temperament sequence.

	== General Principles ==		== General Principles ==
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	The voices within a fugue should form a clear hierarchy of range; one voice should remain the lowest, another the highest, and so on for any additional voices. Two adjacent voices may play a unison, but a lower voice may not reach a pitch higher than the voice above it.		The voices within a fugue should form a clear hierarchy of range; one voice should remain the lowest, another the highest, and so on for any additional voices. Two adjacent voices may play a unison, but a lower voice may not reach a pitch higher than the voice above it.

	The interval between two adjacent voices generally should not exceed a Supermajor Tenth (40\29) unless absolutely necessary to avoid dissonances or provide melodic coherence.		The interval between two adjacent voices generally should not exceed a Supermajor Tenth (40\29) unless absolutely necessary to avoid dissonances or provide melodic coherence within each individual voice.

	=== Cadences ===		=== Cadences ===
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	# In an '''expanding cadence''', two voices move apart from one another by chromatic semitones to form a perfect consonance.		# In an '''expanding cadence''', two voices move apart from one another by chromatic semitones to form a perfect consonance.
	# In a '''contracting cadence''', two voices move towards each other by chromatic semitones to form a perfect consonance.		# In a '''contracting cadence''', two voices move towards each other by chromatic semitones to form a perfect consonance.[[File:Expanding Cadence.png\|thumb\|An example of an expanding cadence that resolves from a subminor third to a perfect fourth.]]

	Every expanding cadence has an inverse contracting cadence, and vice versa; for instance, the resolution from C♯ - G♭ to C - G is expanding, but from G♭ - C♯ to G - C is contracting.		Every expanding cadence has an inverse contracting cadence, and vice versa; for instance, the resolution from C♯ - G♭ to C - G (a perfect fifth in C) is expanding, but from G♭ - C♯ to G - C (a perfect fourth in G) is contracting.

	Note also that all four types of interordinal intervals have at least one type of resolution available. As such, the tension between two voices can be determined plainly by the type of cadence and the quality of the resolution, and conversely, the resolution can be determined plainly by the type of cadence and the quality of the tension.		Note also that all four types of interordinal intervals have at least one type of resolution available. As such, the tension between two voices can be determined plainly by the type of cadence and the quality of the resolution, and conversely, the resolution can be determined plainly by the type of cadence and the quality of the tension.
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	** 1 - P4 - P5 - M6		** 1 - P4 - P5 - M6
	** 1 - M2 - P5 - M6		** 1 - M2 - P5 - M6
			[[File:3-voice Contracting Cadence.png\|thumb\|An example of a three-voice cadence. Notice how the lower two voices create a contracting cadence into the perfect fourth, while the highest voice moves in parallel with the middle voice.]]
			Inversions of these chords may apply; for instance, M3 - P5 - P8 is considered to have the same consonance potential as 1 - M3 - P5. It should be noted, however, that the highest and lowest voice will be the most prominent in a given chord, and it is thus encouraged that those voices play the root or fifth of the key in resolutions when possible.

	~~Inversions~~ of ~~these chords may apply~~; for instance, ~~M3 - P5 - P8 is considered to have~~ the ~~same consonance potential as~~ 1 - M3 - P5~~. It should~~ be ~~noted~~, ~~however, that the highest and lowest~~ voice ~~will be the most prominent~~ in ~~a given chord, and it is thus encouraged that those voices play the root or fifth of~~ the ~~key in resolutions except when this conflicts with melodic considerations of those voices~~.		Tensions towards these resolutions can be made by combining types of expanding and contracting cadences; for instance, the chord 1 - M3 - P5 may be approached by a tension SM7 - S4 - sm6 or SM7 - m3 - sm6, as each voice in the tension differs from its resolution by one chroma.

	Tensions towards these resolutions can be made by combining types of expanding and contracting cadences; for instance, the chord 1 - M3 - P5 may be approached by a tension d1 - A3 - A5 or d1 - d3 - A5, as each voice in the tension differs from its resolution by one chroma.		Finally, and perhaps most importantly, resolutions with lower consonance potential should be avoided as the final resolution of the piece, but are encouraged to be employed at the end of a phrase before a transition to another section.

	Finally, and perhaps most importantly, resolutions with lower consonance potential should be avoided as the final resolution of the piece, ~~and instead~~ be employed at the end of a phrase before a transition to another section.

	=== Minor Tonality ===		=== Minor Tonality ===
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	==== Minor Resolutions ====		==== Minor Resolutions ====
	In the minor tonality, contracting cadences are encouraged when resolving to fourths, and ~~expending~~ cadences are encouraged when resolving to fifths. This creates a darker tone, as it approaches the tonic via downwards motion from above.		In the minor tonality, contracting cadences are encouraged when resolving to fourths, and expanding cadences are encouraged when resolving to fifths. This creates a darker tone, as it approaches the tonic via downwards motion from above.

	Just like in the major tonality, fuller chords are often desirable when using more voices. The following chords are considered for the minor tonality, in order of consonance potential:		Just like in the major tonality, fuller chords are often desirable when using more voices. The following chords are considered for the minor tonality, in order of consonance potential:
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	** 1 - M2 - P5 - M6		** 1 - M2 - P5 - M6
	** 1 - P4 - P5 - m7		** 1 - P4 - P5 - m7
			[[File:29edo Minor Cadence.png\|thumb\|An example of a minor key cadence. Notice the contracting motion between the upper two voices combined with the expanding motion between the lower two.]]
			Just like in Major, inversions apply; that is, m3 - P5 - P8 has the same consonance potential as 1 - m3 - P5. Once again, the highest and lowest voice are the most prominent, and as such should tend to play the root or fifth of the key when possible.

	Just like in Major, inversions apply; that is, m3 - P5 - P8 has the same consonance potential as 1 - m3 - P5. Once again, the highest and lowest voice are the most prominent, and as such should tend to play the root or fifth of the key except when this conflicts with melodic considerations.		Because the minor tonality is inherently darker than major, the more dissonant available resolutions are not discouraged as strongly as they are in major keys. However, the final resolution of a fugue often benefits from using a major resolution to create a bright turnaround, as this lends a greater sense of finality to the piece as a whole.

	Because the minor tonality is inherently darker than major, the more dissonant available resolutions are not discouraged. However, the final resolution of a fugue often benefits from using a major resolution to create a bright turnaround, as this lends a greater sense of finality to the piece as a whole.
	[[Category:29edo]]		[[Category:29edo]]
	[[Category:Approaches to tuning systems]]		[[Category:Approaches to tuning systems]]

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deploying new cat

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	Because the minor tonality is inherently darker than major, the more dissonant available resolutions are not discouraged. However, the final resolution of a fugue often benefits from using a major resolution to create a bright turnaround, as this lends a greater sense of finality to the piece as a whole.		Because the minor tonality is inherently darker than major, the more dissonant available resolutions are not discouraged. However, the final resolution of a fugue often benefits from using a major resolution to create a bright turnaround, as this lends a greater sense of finality to the piece as a whole.
			[[Category:29edo]]
			[[Category:Approaches to tuning systems]]

Unque at 17:46, 28 August 2025

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	'''Note: This page is currently under construction, and will be subject to major expansion in the near future. Come back soon!'''		'''Note: This page is currently under construction, and will be subject to major expansion in the near future. Come back soon!'''

	On this page, I attempt to document in full my experience with writing counterpoint using 29edo and the 29-form, with extrapolations that I've made into guidelines of a sort, which others may use as a jumping-off point for their own excursions into writing counterpoint, whether in 29edo itself or in other systems where these ideas or extrapolations therefrom may apply. These guidelines arise from a combination of the writings of [[wikipedia:Johann_Joseph_Fux\|Johann Fux]] and [[wikipedia:Marchetto_da_Padova\|Marchetto da Padova]], analysis of the works of [[wikipedia:Johann_Sebastian_Bach\|J.S. Bach]], and parameters that arose simply from trial and error in my own composition.		On this page, I attempt to document in full my experience with writing counterpoint using 29edo and the 29-form, with extrapolations that I've made into guidelines of a sort, which others may use as a jumping-off point for their own excursions into writing counterpoint, whether in 29edo itself or in other systems where these ideas or extrapolations therefrom may apply. These guidelines arise in large part from a combination of the writings of [[wikipedia:Johann_Joseph_Fux\|Johann Fux]] and [[wikipedia:Marchetto_da_Padova\|Marchetto da Padova]], analysis of the works of [[wikipedia:Johann_Sebastian_Bach\|J.S. Bach]], and parameters that arose simply from trial and error in my own composition.

	== General Principles ==		== General Principles ==

Unque: Minor cleanup and clearer wording.

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Minor cleanup and clearer wording.

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	# '''Conjunctions''' are permitted as melodic steps, and in fact should be the main type of step used. Between voices, conjunctions should be used with extreme caution, and should primarily be employed as passing tones–that is, they are approached and left in the same direction.		# '''Conjunctions''' are permitted as melodic steps, and in fact should be the main type of step used. Between voices, conjunctions should be used with extreme caution, and should primarily be employed as passing tones–that is, they are approached and left in the same direction.
	#* Minor Second (2\29)		#* Minor Second (2\29)
	#* Supraminor Second (3\29)		#* Supraminor Second / Chromatic Semitone (3\29)
	#* Submajor Second (4\29)		#* Submajor Second (4\29)
	#* Major Second (5\29)		#* Major Second (5\29)
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	When resolving at the end of a phrase, cadences should generally involve two or more voices moving by conjunctions in opposite directions. One or more of the voices should land on the tonic pitch, and all others should land on perfect consonances with respect to one another.		When resolving at the end of a phrase, cadences should generally involve two or more voices moving by conjunctions in opposite directions. One or more of the voices should land on the tonic pitch, and all others should land on perfect consonances with respect to one another.

	In 29edo, the intervals between two voices should generally begin on perfect consonances, move towards imperfect consonances, and finally utilize cadential consonances to create tension before resolving. The interordinal intervals (supermajor and subminor thirds and sixths) are extremely tense, and ~~consistently differ from~~ a perfect consonance by two ~~chromata~~ (a total of 6\29). This creates an extremely clear path to resolution via two types of movement:		In 29edo, the intervals between two voices should generally begin on perfect consonances, move towards imperfect consonances, and finally utilize cadential consonances to create tension before resolving. The interordinal intervals (supermajor and subminor thirds and sixths) are extremely tense, and each one either exceeds or falls short of a perfect consonance by two chromatic semitones (a total of 6\29). This creates an extremely clear path to resolution via two types of movement:

	# In an '''expanding cadence''', two voices move apart from one another by ~~chromata~~ to form a perfect consonance.		# In an '''expanding cadence''', two voices move apart from one another by chromatic semitones to form a perfect consonance.
	# In a '''contracting cadence''', two voices move towards each other by ~~chromata~~ to form a perfect consonance.		# In a '''contracting cadence''', two voices move towards each other by chromatic semitones to form a perfect consonance.

	Every expanding cadence has an inverse contracting cadence, and vice versa; for instance, the resolution from C♯ - G♭ to C - G is an expanding ~~cadence~~, but ~~a resolution~~ from G♭ - C♯ to G - C is contracting.		Every expanding cadence has an inverse contracting cadence, and vice versa; for instance, the resolution from C♯ - G♭ to C - G is expanding, but from G♭ - C♯ to G - C is contracting.

	Note also that all four types of interordinal intervals have at least one type of resolution available; the tension between two voices can be determined plainly by the type of cadence and the quality of the resolution.		Note also that all four types of interordinal intervals have at least one type of resolution available. As such, the tension between two voices can be determined plainly by the type of cadence and the quality of the resolution, and conversely, the resolution can be determined plainly by the type of cadence and the quality of the tension.
	{\| class="wikitable"		{\| class="wikitable"
	\|+Determining tensions for known resolutions		\|+Determining tensions for known resolutions
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	\|Fifth		\|Fifth
	\|}		\|}
	Note that the minor seventh and major second are not perfect consonances; however, these ~~intervals~~ are still important to note for resolutions (see the resolution notes under ''Tonality'').		Note that the minor seventh and major second are not perfect consonances; however, these relationships are still important to note for denser resolutions in multiple voices that contain these intervals (see the resolution notes under ''Tonality'').

	== Diatonic Tonality ==		== Diatonic Tonality ==

Unque: Created page with "{{Breadcrumb|29edo}} {{Todo|inline=1| add audio and sheet music examples}} '''Note: This page is currently under construction, and will be subject to major expansion in the near future. Come back soon!''' On this page, I attempt to document in full my experience with writing counterpoint using 29edo and the 29-form, with extrapolations that I've made into guidelines of a sort, which others may use as a jumping-off point for their own excursions into writing counterp..."

2025-08-28T15:00:34Z

Created page with "{{Breadcrumb|29edo}} {{Todo|inline=1| add audio and sheet music examples}} '''Note: This page is currently under construction, and will be subject to major expansion in the near future. Come back soon!''' On this page, I attempt to document in full my experience with writing counterpoint using 29edo and the 29-form, with extrapolations that I've made into guidelines of a sort, which others may use as a jumping-off point for their own excursions into writing counterp..."

New page

{{Breadcrumb|29edo}}

{{Todo|inline=1| add audio and sheet music examples}}

'''Note: This page is currently under construction, and will be subject to major expansion in the near future. Come back soon!'''

On this page, I attempt to document in full my experience with writing counterpoint using 29edo and the 29-form, with extrapolations that I've made into guidelines of a sort, which others may use as a jumping-off point for their own excursions into writing counterpoint, whether in 29edo itself or in other systems where these ideas or extrapolations therefrom may apply. These guidelines arise from a combination of the writings of [[wikipedia:Johann_Joseph_Fux|Johann Fux]] and [[wikipedia:Marchetto_da_Padova|Marchetto da Padova]], analysis of the works of [[wikipedia:Johann_Sebastian_Bach|J.S. Bach]], and parameters that arose simply from trial and error in my own composition.

== General Principles ==
There are a number of principles that are considered regardless of the tonality or species of counterpoint. These principles are here listed in order of prevalence; that is, if there exists a context where any two principles conflict, the one listed earlier on this list should take precedent.

=== Tonics and Resolution ===
A phrase should begin and end with all voices on the tonic, or on a perfect consonance with respect to it. At the end of a phrase, the tonic is to be approached from above or below by a conjunction (see Interval Categories). The chromatic semitone is primarily encouraged, but other resolutions are also possible.

=== Interval Categories ===
Intervals are divided into categories based on their consonance potential; that is, their utility as coherent melodic steps and as intervals between voices. Because each interval falls into the same category as its octave complement or octave-transposed forms, only intervals narrower than 15 dieses are listed here to avoid redundancy.

# '''Perfect consonances''' are permitted as melodic steps. Between voices, perfect consonances are used to create resolutions when approached by contrary motion. As such, they should be employed with caution between voices during the middle of a phrase.
#* Unison (0\29)
#* Perfect Fourth (12\29)
# '''Imperfect consonances''' are permitted as melodic steps. Between voices, imperfect consonances may be approached through any means, and as such are encouraged as the main class of interval to use in the middle of phrases.
#* Minor third (7\29)
#* Major third (10\29)
# '''Cadential consonances''' are permitted as melodic steps, but should be used with reserve. Between voices, cadential consonances may be approached through any means, but they tend to resolve by contrary motion to a perfect consonance.
#* Subminor Third (6\29)
#* Supraminor Third (8\29)
#* Submajor Third (9\29)
#* Supermajor Third (11\29)
# '''Conjunctions''' are permitted as melodic steps, and in fact should be the main type of step used. Between voices, conjunctions should be used with extreme caution, and should primarily be employed as passing tones–that is, they are approached and left in the same direction.
#* Minor Second (2\29)
#* Supraminor Second (3\29)
#* Submajor Second (4\29)
#* Major Second (5\29)
#'''Dissonances''' are not permitted as melodic steps, and should generally be avoided between any two voices.
#*Augmented Third (13\29)
#*Diminished Fifth (14\29)
# The '''Diesis''' or '''Superunison''' (1\29) is permitted as a passing tone in melodies. Two voices should never be separated by the interval of a diesis except as a brief transitional position between a unison and another interval. The same guidelines apply to the Suboctave (28\29) or the Superoctave (30\29).

=== Contour ===
Avoid rapidly climbing up or down, and avoid long periods of motion in a given direction; instead, prioritize a wavelike contour that has clear local "peaks" and "troughs." The peaks and troughs of a melody should most often occur on important notes, such as the tonic or fifth of the key. When employing step sizes larger than a major second, the next step should move in the opposite direction from whence it was approached, or move by a conjunction in the same direction.

=== Voice Ranges ===
The voices within a fugue should form a clear hierarchy of range; one voice should remain the lowest, another the highest, and so on for any additional voices. Two adjacent voices may play a unison, but a lower voice may not reach a pitch higher than the voice above it.

The interval between two adjacent voices generally should not exceed a Supermajor Tenth (40\29) unless absolutely necessary to avoid dissonances or provide melodic coherence.

=== Cadences ===
When resolving at the end of a phrase, cadences should generally involve two or more voices moving by conjunctions in opposite directions. One or more of the voices should land on the tonic pitch, and all others should land on perfect consonances with respect to one another.

In 29edo, the intervals between two voices should generally begin on perfect consonances, move towards imperfect consonances, and finally utilize cadential consonances to create tension before resolving. The interordinal intervals (supermajor and subminor thirds and sixths) are extremely tense, and consistently differ from a perfect consonance by two chromata (a total of 6\29). This creates an extremely clear path to resolution via two types of movement:

# In an '''expanding cadence''', two voices move apart from one another by chromata to form a perfect consonance.
# In a '''contracting cadence''', two voices move towards each other by chromata to form a perfect consonance.

Every expanding cadence has an inverse contracting cadence, and vice versa; for instance, the resolution from C♯ - G♭ to C - G is an expanding cadence, but a resolution from G♭ - C♯ to G - C is contracting.

Note also that all four types of interordinal intervals have at least one type of resolution available; the tension between two voices can be determined plainly by the type of cadence and the quality of the resolution.
{| class="wikitable"
|+Determining tensions for known resolutions
!Cadence Type
!Unison
!Fourth
!Fifth
!Octave
|-
|Expanding
|N/A
|Subminor third (6\29)
|Supermajor Third (11\29)
|Supermajor sixth (23\29)
|-
|Contracting
|Subminor third (6\29)
|Subminor sixth (18\29)
|Supermajor sixth (23\29)
|Subminor tenth (35\29)
|}
{| class="wikitable"
|+Determining resolutions for known tensions
!Cadence Type
!Subminor Third
!Supermajor Third
!Subminor Sixth
!Supermajor Sixth
|-
|Expanding
|Fourth
|Fifth
|''Minor seventh''
|Octave
|-
|Contracting
|Unison
|''Major second''
|Fourth
|Fifth
|}
Note that the minor seventh and major second are not perfect consonances; however, these intervals are still important to note for resolutions (see the resolution notes under ''Tonality'').

== Diatonic Tonality ==
Due to the 29-form's inherent pull towards 3-limit structures, the diatonic scale is an integral part of its structure. The tonality of a fugue is most intuitively derived from the modes of the diatonic scale; specifically, the major and minor tonality respectively draw from the properties of the major and minor forms of the third degree of that scale.

No matter the tonality, perfect consonances with respect to the root take precedence over all other intervals, and should be the most emphasized intervals in a given melody. Subjects should be written primarily, if not entirely, in the diatonic scale, though the exact mode used depends on the tonality; however, countermelodies and elaborations on the subject should access additional tones outside of the diatonic scale to create more diverse harmonies and eventually use interordinals as final tensions to create cadences.

=== Major Tonality ===

==== Major Modes ====
Three diatonic modes contain major triads over the root: Lydian, Ionian, and Mixolydian. Each of the three modes offers its own unique modal sound when used as the scale for a subject, but some features may be more desirable than others for counterpoint writing in particular.

The Lydian mode may actually be the most desirable, as the major seventh and augmented fourth in melodies create strong leading tones into the root and fifth, leading to very satisfying melodic peaks. However, this comes at the expense of the perfect fourth, which is no longer available as a tone to emphasize in the melody.

The Ionian mode lowers the augmented fourth into a more consonant perfect fourth, allowing for more diverse melodic emphasis. While the fourth degree no longer "points" towards the fifth, it is more consonant, allowing for more diverse harmony. Additionally, the major third may now act as a leading tone into the perfect fourth, allowing for similarly satisfying melodic peaks.

The Mixolydian mode is a step darker than Ionian, lowering the seventh degree. This removes the leading tone into the root, but provides more diverse and interesting melodic content. The minor seventh degree forms an interval of a perfect fourth against the fourth degree, which allows for unexpected yet pleasant harmonic coherence.

Some combination of these modes is also permitted in the subject; it may be beneficial, for instance, to use a dual Lydian/Ionian scale that contains both types of diatonic fourths. However, these dual intervals should be used sparingly, in order to create the feeling of one stagnant and coherent diatonic scale.

==== Major Countermelodies ====
While subjects should adhere as closely as possible to the diatonic scale, elaborations and countermelodies are encouraged to extend beyond this scale to create more diverse and colorful harmonic content. The rules for melodic step sizes apply in the same way; it may be beneficial to employ diatonic intervals as step sizes in a non-diatonic pattern, such as a series of whole tones, in order to "escape" the diatonic structure.

Where possible, countermelodies should employ tones that differ from the diatonic structure by a diesis; for instance, in a major key, including the note a submajor third above the root (vE or F♭ in the key of C) is more desirable than the note a supraminor third above the root (^E♭ or D♯ in the key of C), as it contributes to the overall major tonality.

==== Major Resolutions ====
In the major tonality, expanding cadences are encouraged when resolving to fourths, and contracting cadences are encouraged when resolving to fifths. This motion ensures that the tonic pitch is approached from below rather than from above, which creates a brighter sound more indicative of a major key.

When using more than two distinct voices, it is often desirable to use fuller chords for resolutions at the end of a phrase, rather than simply doubling the root or fifth across octaves. The following chords are considered for major resolutions, listed in order of consonance potential:

* Requiring three or more voices:
** 1 - M3 - P5
** 1 - P4 - P5
** 1 - M2 - P5
* Requiring four or more voices:
** 1 - M3 - P5 - M7
** 1 - M3 - P5 - M6
** 1 - P4 - P5 - m7
** 1 - P4 - P5 - M6
** 1 - M2 - P5 - M6

Inversions of these chords may apply; for instance, M3 - P5 - P8 is considered to have the same consonance potential as 1 - M3 - P5. It should be noted, however, that the highest and lowest voice will be the most prominent in a given chord, and it is thus encouraged that those voices play the root or fifth of the key in resolutions except when this conflicts with melodic considerations of those voices.

Tensions towards these resolutions can be made by combining types of expanding and contracting cadences; for instance, the chord 1 - M3 - P5 may be approached by a tension d1 - A3 - A5 or d1 - d3 - A5, as each voice in the tension differs from its resolution by one chroma.

Finally, and perhaps most importantly, resolutions with lower consonance potential should be avoided as the final resolution of the piece, and instead be employed at the end of a phrase before a transition to another section.

=== Minor Tonality ===

==== Minor Modes ====
Three diatonic modes contain minor triads over the root: Dorian, Aeolian, and Phrygian. Just like with the major modes, each of these modes has its own distinct sound that can provide different pros and cons for writing fugues.

The Dorian mode's major sixth degree is exceptionally useful as a lead into the diminished octave / submajor seventh, being four steps away rather than the awkward seven-step lurch that would occur in the other modes. The diminished octave is one of the most important types of leading intervals into the root, because it is included in four of the seven perfect types of cadences. This feature alone makes Dorian one of the most desirable minor modes for counterpoint writing, since the other modes must either employ a minor third step size, add more non-diatonic intervals to the subject to bypass this step size, or find another method of resolution.

The Aeolian mode lowers that sixth to a minor one, which is useful in its own right. Notably, it can act as a leading tone downward into the fifth, creating a dark sound by building to and emphasizing the troughs of a melody rather than the peaks as in the major modes. Additionally, the Aeolian mode provides uniform minor triads over the root, fourth, and fifth degrees, which creates a more uniform sound when basing harmonies on chord functions.

Finally, the Phrygian mode is perhaps the most desirable minor mode for writing counterpoint. Like Aeolian, it contains a leading tone downwards into the fifth; however, it additionally lowers the second degree to a minor second, creating a similar leading tone downwards into the root. This makes the root and fifth both clear points to place a melodic trough, creating a very satisfying dark sound.

Just like with the major modes, a combination of these modes may be permitted in the subject; also just like the major modes, the dual intervals that arise should be used sparingly in order to create clearer melodic coherence in the subject.

==== Minor Countermelodies ====
Many of the same general principles apply to minor countermelodies as major ones: subjects should be largely diatonic, but their elaborations and countermelodies are encouraged to stray from that scale. Intervals that differ from diatonic by a diesis are similarly desirable; for instance, in a minor key, including the note a supraminor third above the root (^E♭ or D♯ in the key of C) is more desirable than the note a submajor third above the root (vE or F♭ in the key of C), as it contributes to the overall minor tonality.

==== Minor Resolutions ====
In the minor tonality, contracting cadences are encouraged when resolving to fourths, and expending cadences are encouraged when resolving to fifths. This creates a darker tone, as it approaches the tonic via downwards motion from above.

Just like in the major tonality, fuller chords are often desirable when using more voices. The following chords are considered for the minor tonality, in order of consonance potential:

* Requiring three or more voices:
** 1 - m3 - P5
** 1 - M2 - P5
** 1 - P4 - P5
* Requiring four or more voices:
** 1 - m3 - P5 - m7
** 1 - M2 - P5 - M6
** 1 - P4 - P5 - m7

Just like in Major, inversions apply; that is, m3 - P5 - P8 has the same consonance potential as 1 - m3 - P5. Once again, the highest and lowest voice are the most prominent, and as such should tend to play the root or fifth of the key except when this conflicts with melodic considerations.

Because the minor tonality is inherently darker than major, the more dissonant available resolutions are not discouraged. However, the final resolution of a fugue often benefits from using a major resolution to create a bright turnaround, as this lends a greater sense of finality to the piece as a whole.