A Half-Whole Diminished Scale
A – Bb – C – C# – Eb – E – F# – G – A
Formula:H-W-H-W-H-W-H-W
Intervals:P1-m2-m3-M3-d5-P5-M6-m7
A Half-Whole Diminished Scale Notes
| Degree | Name | Note | Interval |
|---|---|---|---|
| 1 | Tonic | A4 | P1 |
| 2 | Supertonic | Bb4 | m2 |
| 3 | Mediant | C5 | m3 |
| 4 | Subdominant | C#5 | M3 |
| 5 | Dominant | Eb5 | d5 |
| 6 | Submediant | E5 | P5 |
| 7 | Leading Tone | F#5 | M6 |
| 8 | Octave | G5 | m7 |
| 9 | Degree 9 | A5 | — |
Key Signature
The key of A Half-Whole Diminished Scale has 3 sharps: F♯, C♯, G♯.
F♯C♯G♯
Chords in the Key of A Half-Whole Diminished Scale
These are the diatonic triads built on each degree of the A Half-Whole Diminished Scale: