12:15:18:20 - Revision history

Pailiaq at 04:53, 26 May 2026

2026-05-26T04:53:35Z

← Older revision		Revision as of 04:53, 26 May 2026
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	{{Infobox Chord\|12:15:18:20\|ColorName=yo-6 or y6}}		{{Infobox Chord\|12:15:18:20\|ColorName=yo-6 or y6}}
	'''12:15:18:20''', the ''just'', ''classical'', or ''ptolemaic major sixth chord'', is a [[major sixth chord]] in the [[5-limit]], with steps [[5/4]], [[6/5]], and [[10/9]]. It is an [[anomalous saturated suspension]] in the [[9-odd-limit]].		'''12:15:18:20''', the ''just'', ''classical'', or ''ptolemaic major sixth chord'', is a [[major sixth chord]] in the [[5-limit]], with steps [[5/4]], [[6/5]], and [[10/9]]. It is an [[anomalous saturated suspension]] in the [[9-odd-limit]].


			{{chord edo approximation}}


	== See also ==		== See also ==

2026-01-24T11:23:42Z

Expand a bit

← Older revision		Revision as of 11:23, 24 January 2026
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	{{Infobox Chord\|12:15:18:20\|ColorName=yo-6 or y6}}		{{Infobox Chord\|12:15:18:20\|ColorName=yo-6 or y6}}
	'''12:15:18:20''' is an [[~~added~~ sixth chord]] in the [[5-limit]], with steps [[5/4]], [[6/5]], and [[10/9]]. ~~See also its~~ [[~~Chord homonym\|homonym~~]] [[~~10:12:15:18]] (1/1–6/5–3/2–9/5), a [[minor seventh chord~~]].		'''12:15:18:20''', the ''just'', ''classical'', or ''ptolemaic major sixth chord'', is a [[major sixth chord]] in the [[5-limit]], with steps [[5/4]], [[6/5]], and [[10/9]]. It is an [[anomalous saturated suspension]] in the [[9-odd-limit]].

	~~In the~~ [[~~9-odd-limit~~]], ~~the chord is an~~ [[~~anomalous saturated suspension~~]].		== See also ==
			* Its [[chord homonym\|homonym]] [[10:12:15:18]] (1/1–6/5–3/2–9/5), a [[minor seventh chord]].

	{{~~Stub~~}}		{{Todo\|expand}}
	[[Category:Tetrads]]		[[Category:Tetrads]]

2025-12-30T10:11:16Z

formatting, stub

← Older revision		Revision as of 10:11, 30 December 2025
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	{{Infobox Chord\|12:15:18:20\|ColorName=yo-6 or y6}}		{{Infobox Chord\|12:15:18:20\|ColorName=yo-6 or y6}}
	'''12:15:18:20''' is an [[added sixth chord]] in the [[5-limit]], with steps [[5/4]], [[6/5]], and [[10/9]]. See also its [[Chord homonym\|homonym]] [[10:12:15:18]] (~~1⁄1–6⁄5–3⁄2–9⁄5~~), a [[minor seventh chord]].		'''12:15:18:20''' is an [[added sixth chord]] in the [[5-limit]], with steps [[5/4]], [[6/5]], and [[10/9]]. See also its [[Chord homonym\|homonym]] [[10:12:15:18]] (1/1–6/5–3/2–9/5), a [[minor seventh chord]].

	In the [[9-odd-limit]], the chord is an [[anomalous saturated suspension]].		In the [[9-odd-limit]], the chord is an [[anomalous saturated suspension]].

			{{Stub}}
	[[Category:Tetrads]]		[[Category:Tetrads]]

2024-09-24T18:08:08Z

← Older revision		Revision as of 18:08, 24 September 2024
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	{{Infobox Chord\|12:15:18:20\|ColorName=yo-6 or y6}}		{{Infobox Chord\|12:15:18:20\|ColorName=yo-6 or y6}}
	'''12:15:18:20''' is an [[added sixth chord]] in the [[5-limit]], with steps [[5/4]], [[6/5]], and [[10/9]]. ~~It can~~ also ~~be voiced as~~ [[10:12:15:18]] (1⁄1–6⁄5–3⁄2–9⁄5), ~~in which form it can be called~~ a [[minor seventh chord]].		'''12:15:18:20''' is an [[added sixth chord]] in the [[5-limit]], with steps [[5/4]], [[6/5]], and [[10/9]]. See also its [[Chord homonym\|homonym]] [[10:12:15:18]] (1⁄1–6⁄5–3⁄2–9⁄5), a [[minor seventh chord]].

	In the [[9-odd-limit]], the chord is an [[anomalous saturated suspension]].		In the [[9-odd-limit]], the chord is an [[anomalous saturated suspension]].

	[[Category:Tetrads]]		[[Category:Tetrads]]

2024-09-24T04:08:41Z

← Older revision		Revision as of 04:08, 24 September 2024
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	{{Infobox Chord\|12:15:18:20\|ColorName=yo 6 or y6}}		{{Infobox Chord\|12:15:18:20\|ColorName=yo-6 or y6}}
	'''12:15:18:20''' is an [[added sixth chord]] in the [[5-limit]], with steps [[5/4]], [[6/5]], and [[10/9]]. It can also be voiced as [[10:12:15:18]] (1⁄1–6⁄5–3⁄2–9⁄5), in which form it can be called a [[minor seventh chord]].		'''12:15:18:20''' is an [[added sixth chord]] in the [[5-limit]], with steps [[5/4]], [[6/5]], and [[10/9]]. It can also be voiced as [[10:12:15:18]] (1⁄1–6⁄5–3⁄2–9⁄5), in which form it can be called a [[minor seventh chord]].

2024-09-24T00:25:11Z

add color name

← Older revision		Revision as of 00:25, 24 September 2024
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	{{Infobox Chord\|12:15:18:20}}		{{Infobox Chord\|12:15:18:20\|ColorName=yo 6 or y6}}
	'''12:15:18:20''' is an [[added sixth chord]] in the [[5-limit]], with steps [[5/4]], [[6/5]], and [[10/9]]. It can also be voiced as [[10:12:15:18]] (1⁄1–6⁄5–3⁄2–9⁄5), in which form it can be called a [[minor seventh chord]].		'''12:15:18:20''' is an [[added sixth chord]] in the [[5-limit]], with steps [[5/4]], [[6/5]], and [[10/9]]. It can also be voiced as [[10:12:15:18]] (1⁄1–6⁄5–3⁄2–9⁄5), in which form it can be called a [[minor seventh chord]].

2024-08-15T03:35:29Z

remove ratios redundant with chord infobox

← Older revision		Revision as of 03:35, 15 August 2024
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	{{Infobox Chord\|12:15:18:20}}		{{Infobox Chord\|12:15:18:20}}
	'''12:15:18:20''' ~~(1⁄1–5⁄4–3⁄2–5⁄3)~~ is an [[added sixth chord]] in the [[5-limit]], with steps [[5/4]], [[6/5]], and [[10/9]]. It can also be voiced as [[10:12:15:18]] (1⁄1–6⁄5–3⁄2–9⁄5), in which form it can be called a [[minor seventh chord]].		'''12:15:18:20''' is an [[added sixth chord]] in the [[5-limit]], with steps [[5/4]], [[6/5]], and [[10/9]]. It can also be voiced as [[10:12:15:18]] (1⁄1–6⁄5–3⁄2–9⁄5), in which form it can be called a [[minor seventh chord]].

	In the [[9-odd-limit]], the chord is an [[anomalous saturated suspension]].		In the [[9-odd-limit]], the chord is an [[anomalous saturated suspension]].

	[[Category:Tetrads]]		[[Category:Tetrads]]

2024-08-13T13:58:09Z

remove redundant category: Dyadic chords

← Older revision		Revision as of 13:58, 13 August 2024
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	In the [[9-odd-limit]], the chord is an [[anomalous saturated suspension]].		In the [[9-odd-limit]], the chord is an [[anomalous saturated suspension]].

	~~[[Category:Dyadic chords]]~~
	[[Category:Tetrads]]		[[Category:Tetrads]]

2024-08-12T18:29:15Z

add Tetrads category

2024-08-12T15:21:01Z

deemphasize ASS property; structure consistent with other JI chord pages

← Older revision		Revision as of 15:21, 12 August 2024
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	{{Infobox Chord\|12:15:18:20}}		{{Infobox Chord\|12:15:18:20}}
	~~The~~ '''~~just added sixth chord''' is a 5-prime-limit, 9-odd-limit chord of just intonation which is an "ASS", or [[anomalous saturated suspension]]. In close position, it is~~ 12:15:18:20 (1⁄1–5⁄4–3⁄2–5⁄3), with steps 5/4, 6/5 and 10/9. It can also be voiced as [[10:12:15:18]] (1⁄1–6⁄5–3⁄2–9⁄5), in which form it can be called a ~~just~~ minor seventh chord.		'''12:15:18:20''' (1⁄1–5⁄4–3⁄2–5⁄3) is an [[added sixth chord]] in the [[5-limit]], with steps [[5/4]], [[6/5]], and [[10/9]]. It can also be voiced as [[10:12:15:18]] (1⁄1–6⁄5–3⁄2–9⁄5), in which form it can be called a [[minor seventh chord]].

			In the [[9-odd-limit]], the chord is an [[anomalous saturated suspension]].

	[[Category:Dyadic chords]]		[[Category:Dyadic chords]]
	~~[[Category:ASS]]~~