The A♭ Double Harmonic scale contains seven notes: A♭, B♭♭, C, D♭, E♭, F♭, and G. It follows the whole-step / half-step pattern H-A2-H-W-H-A2-H.
A♭ Double Harmonic Scale Notes
| Degree | Name | Note | Interval |
|---|---|---|---|
| 1 | Tonic | A♭ | P1 |
| 2 | Supertonic | B♭♭ | m2 |
| 3 | Mediant | C | M3 |
| 4 | Subdominant | D♭ | P4 |
| 5 | Dominant | E♭ | P5 |
| 6 | Submediant | F♭ | m6 |
| 7 | Leading Tone | G | M7 |
| 8 | Octave | A♭ | — |
Key Signature
The A♭ Double Harmonic Scale doesn’t line up with a single major or minor key, so it has no standard key signature. Its notes are written with accidentals as needed.
Accidentals
Diatonic Chords in the A♭ Double Harmonic Scale
These are the triads built on each degree of the A♭ Double Harmonic Scale:
| Degree | Numeral | Chord | Quality |
|---|---|---|---|
| 1 | I | A♭ Major | Major |
| 2 | II | B♭♭ Major | Major |
| 3 | iii | C Minor | Minor |
| 4 | iv | D♭ Minor | Minor |
| 5 | V | E♭ altered | altered |
| 6 | VI+ | F♭ Augmented | Augmented |
| 7 | VII | G altered | altered |