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 |