The G♭ Harmonic Major scale contains seven notes: G♭, A♭, B♭, C♭, D♭, E♭♭, and F. It follows the whole-step / half-step pattern W-W-H-W-H-A2-H.
G♭ Harmonic Major Scale Notes
| Degree | Name | Note | Interval |
|---|---|---|---|
| 1 | Tonic | G♭ | P1 |
| 2 | Supertonic | A♭ | M2 |
| 3 | Mediant | B♭ | M3 |
| 4 | Subdominant | C♭ | P4 |
| 5 | Dominant | D♭ | P5 |
| 6 | Submediant | E♭♭ | m6 |
| 7 | Leading Tone | F | M7 |
| 8 | Octave | G♭ | — |
Key Signature
The notes of the G♭ Harmonic Major Scale come from Gb Major, so it carries that key signature: 6 flats (B♭, E♭, A♭, D♭, G♭, C♭).
Written as accidentals
Order of flats
Flats are added in a fixed order — the reverse of the sharp order. Each new flat key adds the next flat on the list.
Mnemonic: Battle Ends And Down Goes Charles’ Father
Diatonic Chords in the G♭ Harmonic Major Scale
These are the triads built on each degree of the G♭ Harmonic Major Scale:
| Degree | Numeral | Chord | Quality |
|---|---|---|---|
| 1 | I | G♭ Major | Major |
| 2 | ii° | A♭ Diminished | Diminished |
| 3 | iii | B♭ Minor | Minor |
| 4 | iv | C♭ Minor | Minor |
| 5 | V | D♭ Major | Major |
| 6 | VI+ | E♭♭ Augmented | Augmented |
| 7 | vii° | F Diminished | Diminished |