10:12:15: Difference between revisions
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changed the voicings list to a table |
m →Related chords: note subharmonics |
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* [[10:12:15:18]] adds [[9/5]] | * [[10:12:15:18]] adds [[9/5]] | ||
* [[30:36:45:50]] adds [[5/3]] | * [[30:36:45:50]] adds [[5/3]] | ||
* [[70:84:105:120]] (12:10:8:7) – adds 12/7 (7-limit) | * [[70:84:105:120]] (1/(12:10:8:7)) – adds 12/7 (7-limit) | ||
* [[60:70:84:105]] (7:6:5:4) – a homonym of the previous chord | * [[60:70:84:105]] (1/(7:6:5:4)) – a homonym of the previous chord | ||
[[Category:Minor triads|#@]] <!-- 2-digit first number --> | [[Category:Minor triads|#@]] <!-- 2-digit first number --> | ||
Revision as of 08:09, 22 December 2025
| Chord information |
10:12:15 is a utonal minor triad, known as the just minor triad, classical minor triad, or Ptolemaic minor triad. It is a common chord that appears as a counterpart to the widespread otonal major triad of 4:5:6, with the major third replaced by a minor third.
Audio of close voicings
Notable voicings
Voicings are sorted by Wilson norm. This list is only a brief overview, see Voicings of 10:12:15 for a more comprehensive list.
| Voices | EFR | Hi-lo name | Special properties |
|---|---|---|---|
| 3 voices | 3:5:15 | lo3hi5 | AOV (all-odd voicing) |
| 6:10:15 | lo3 | CAOV (condensed AOV) | |
| 10:12:15 | basic | ||
| 10:15:24 | hi3 | ||
| 12:15:20 | hiR | 1st inversion | |
| 15:20:24 | lo5 | 2nd inversion | |
| 4 voices | 10:12:15:20 | add8 | |
| 10:15:20:24 | hi3add8 |
Related chords
Melodic inversion: 4:5:6.
Plausible homonyms: 12:15:20 (1/1 - 5/4 - 5/3), a maj6no5 chord.
Notable extensions (5-limit except where noted):
- 10:12:15:18 adds 9/5
- 30:36:45:50 adds 5/3
- 70:84:105:120 (1/(12:10:8:7)) – adds 12/7 (7-limit)
- 60:70:84:105 (1/(7:6:5:4)) – a homonym of the previous chord