User:Aura/Aura's introduction to 159edo: Difference between revisions

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Removed suspensions from the charts, as such chords are not considered basic- perhaps I'll cover those in a separate section.
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As a consequence of this particular scale structure, you have the following chords- note that this list is not exhaustive...
As a consequence of this particular scale structure, you have the following basic chords- note that this list is not exhaustive...


{| class="mw-collapsible mw-collapsed wikitable center-1"
{| class="mw-collapsible mw-collapsed wikitable center-1"
|+ style="font-size: 105%; white-space: nowrap;" | Table of Ionian triads
|+ style="font-size: 105%; white-space: nowrap;" | Table of basic Ionian triads
|-
|-
! Name
! Name
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| 45:54:64
| 45:54:64
| This dissonant triad is one of two possible diatonic diminished triads in the 5-limit
| This dissonant triad is one of two possible diatonic diminished triads in the 5-limit
|-
| Pythagorean Suspended Second
| D, E, A
| 0, 27, 93
| I, IV, V
| 8:9:12
| This dissonant triad is a common suspension in both 3-limit and 5-limit diatonic music
|-
| Pythagorean Suspended Fourth
| D, G, A
| 0, 66, 93
| I, II, V
| 1/(8:9:12)
| This dissonant triad is a common suspension in both 3-limit and 5-limit diatonic music
|-
| Ptolemaic Suspended Synflat Second
| D, E↓, A
| 0, 24, 93
| II
| 18:20:27
| This dissonant triad is an uncommon suspension in 5-limit diatonic music
|-
| Ptolemaic Suspended Synsharp Fourth
| D, G↑, A
| 0, 69, 93
| III
| 1/(18:20:27)
| This dissonant triad is an uncommon suspension in 5-limit diatonic music
|-
| Ptolemaic Suspended Flat Second
| D, Eb↑, A
| 0, 15, 93
| VII
| 1/(32:45:48)
| This dissonant triad is an interesting suspension in 5-limit diatonic music, commonly used in modulations
|-
| Ptolemaic Suspended Sharp Fourth
| D, G#↓, A
| 0, 78, 93
| IV
| 32:45:48
| This dissonant triad is an interesting suspension in 5-limit diatonic music, commonly used in modulations
|-
| Supradusthumic Suspended Synflat Second
| D, E↓, A↓
| 0, 24, 90
| VI
| 27:30:40
| This dissonant triad is an unusual suspension in 5-limit diatonic music
|-
| Supradusthumic Suspended Fourth
| D, G, A↓
| 0, 66, 90
| VI
| 1/(27:30:40)
| This dissonant triad is an unusual suspension in 5-limit diatonic music
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{| class="mw-collapsible mw-collapsed wikitable center-1"
{| class="mw-collapsible mw-collapsed wikitable center-1"
|+ style="font-size: 105%; white-space: nowrap;" | Table of Ionian tetrads
|+ style="font-size: 105%; white-space: nowrap;" | Table of basic Ionian tetrads
|-
|-
! Name
! Name
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| 45:54:64:81
| 45:54:64:81
| This dissonant tetrad is an unexpected option for imperfect half cadences in the 5-limit
| This dissonant tetrad is an unexpected option for imperfect half cadences in the 5-limit
|-
| Pythagorean Suspended Fourth with Ptolemaic Major Seventh
| D, G, A, C#↓
| 0, 66, 93, 144
| I
| 24:32:36:45
| This dissonant tetrad is a great option for suspensions at minimum
|-
| Pythagorean Dominant Seventh Suspended Fourth
| D, G, A, C
| 0, 66, 93, 132
| II, V
| 18:24:27:32
| This version of a dominant seventh chord occurs on multiple scale degrees, enabling a form of secondary dominant progression
|-
| Ptolemaic Minor Seventh Suspended Synsharp Fourth
| D, G↑, A, C↑
| 0, 69, 93, 135
| III
| 20:27:30:36
| This dissonant tetrad is an uncommon suspension in 5-limit diatonic music
|-
| Ptolemaic Major Seventh Suspended Sharp Fourth
| D, G#↓, A, C#↓
| 0, 78, 93, 144
| IV
| 32:45:48, 60
| This dissonant tetrad is an interesting suspension in 5-limit diatonic music, commonly used in modulations
|-
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