10:12:15: Difference between revisions
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"Just minor triad" isn't less precise |
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{{Infobox Chord|ColorName=gu or g}} | {{Infobox Chord|ColorName=gu or g}} | ||
'''10:12:15''' is | '''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]], the major third swapped with a minor third. | ||
== Rotations around the octave == | == Rotations around the octave == | ||
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Common tetrads based on this triad (5-limit except where noted): | Common tetrads based on this triad (5-limit except where noted): | ||
* [[4:5:6]] | * [[4:5:6]] – chord inversion | ||
* [[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]] | ||
* [[60:70:84:105]] | * [[60:70:84:105]] – adds 8/7 (7-limit) | ||
[[Category:Minor triads|#@]] <!-- 2-digit first number --> | [[Category:Minor triads|#@]] <!-- 2-digit first number --> | ||
Revision as of 11:15, 11 November 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, the major third swapped with a minor third.
Rotations around the octave
Voicings and rotations around two octaves
Voicing Rotation
|
Root | '3 | '15 | '3'15 |
|---|---|---|---|---|
| On 3 | 12:15:40 | 6:10:15 | 6:15:20 | 12:15:20 |
| On 5 | 10:12:15 | 10:15:24 | 5:6:15 | 5:12:15 |
| On 15 | 15:40:48 | 15:24:40 | 15:20:24 | 15:20:48 |
Related chords
Common tetrads based on this triad (5-limit except where noted):
- 4:5:6 – chord inversion
- 10:12:15:18 adds 9/5
- 30:36:45:50 adds 5/3
- 60:70:84:105 – adds 8/7 (7-limit)