19edo chords: Difference between revisions
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Revision as of 11:31, 9 April 2022
In contrast to 12-EDO chords, 19-EDO has four instead of the usual two main chord qualities which opens up completely new territory for eager musicians/microtonalists to explore.
19-EDO approximates intervals with factors of 2, 3, 5 and 7 quite well. This essentially means that normal chords - like in 12-EDO - can be represented nicely in 19-EDO.
Because enharmonics work differently in 19-EDO, pitches can be written down with standard notation.
Triads
Note that the cent values of the intervals are approximated. For detailed numbers, see 19edo.
| Chord name | Symbol | Steps | Cents | Audio |
|---|---|---|---|---|
| Major | C | 0-6-11 | 0-379-695 | |
| Minor | Cm, C- | 0-5-11 | 0-316-695 | |
| SuperMajor | Csmaj | 0-7-11 | 0-442-695 | |
| SubMinor | Csmin | 0-4-11 | 0-253-695 | |
| sus4 | Csus4 | 0-8-11 | 0-505-695 | |
| sus2 | Csus2 | 0-3-11 | 0-189-695 | |
| Diminished | Cdim, C° | 0-5-10 | 0-316-632 | |
| Augmented | Caug, C+ | 0-6-12 | 0-379-758 |
Tetrads (Seventh chords)
Because of interesting new features - the supermajor seventh and "harmonic" seventh - new tetrads are possible while existing ones can be preserved.
Major chords
| Chord name | Symbol | Steps | Cents | Audio |
|---|---|---|---|---|
| Major seventh | Cmaj7 | 0-6-11-17 | 0-379-695-1074 | |
| Dominant seventh | C7 | 0-6-11-16 | 0-379-695-1011 | |
| Harmonic seventh | Ch7 | 0-6-11-15 | 0-379-695-947 | |
| Sixth | C6 | 0-6-11-14 | 0-379-695-884 |
Minor chords
| Chord name | Symbol | Steps | Cents | Audio |
|---|---|---|---|---|
| Minor seventh | Cm7 | 0-5-11-16 | 0-316-695-1011 | |
| Minor major seventh | Cmmaj7 | 0-5-11-17 | 0-316-695-1074 | |
| Minor six | Cm6 | 0-5-11-14 | 0-316-695-884 | |
| Minor seven flat six | Cm7(b6) | 0-5-13-16 | 0-316-821-1011 |
Supermajor chords
| Chord name | Symbol | Steps | Cents | Audio |
|---|---|---|---|---|
| Supermajor seventh | Csmaj7 | 0-7-11-18 | 0-379-695-1137 |
Subminor chords
| Chord name | Symbol | Steps | Cents | Audio |
|---|---|---|---|---|
| Subminor seventh | Csmin7 | 0-4-11-15 | 0-253-695-947 |
Diminished chords
| Chord name | Symbol | Steps | Cents | Audio |
|---|---|---|---|---|
| Diminished seven
(fully diminished) |
Cdim7, C°7 | 0-5-10-15 | 0-316-632-947 | |
| Minor seven flat five
(half-diminished) |
Cm7(b5), Cø7 | 0-5-10-16 | 0-316-632-1011 |
Augmented chords
| Chord name | Symbol | Steps | Cents | Audio |
|---|---|---|---|---|
| Augmented seven | Caug7, C+7, C7#5 | 0-6-12-17 | 0-379-758-1011 | |
| Major seven sharp five | Cmaj7#5 | 0-6-12-18 | 0-379-758-1137 |