About the G flat Ultra Locrian scale
G flat Ultra Locrian is used for jazz over diminished dominant chords and extreme, dissonant writing. Think of it as the darkest locrian of all, lowered all the way to a double-flat seventh.
Its notes are G♭, A♭♭, B♭♭, C♭♭, D♭♭, E♭♭, and F♭♭. The formula is H W H W W H 1½. It is the seventh mode of A♭♭ Harmonic Minor.
Also called Altered Diminished.
On the piano, the key touches the black keys G♭, C♭♭, and F♭♭.
Chords in the key of G flat Ultra Locrian
Expand a chord to see how to play it.
G flat diminished over B double flat (1st inversion)
A double flat minor over C double flat (1st inversion)
B double flat diminished over D double flat (1st inversion)
C double flat augmented over E double flat (1st inversion)
D double flat minor over F double flat (1st inversion)
E double flat over G flat (1st inversion)
F double flat over A double flat (1st inversion)
Seventh chords in G flat Ultra Locrian
The four-note version of each chord, richer and jazzier.
G flat diminished seven
A double flat minor major seven
B double flat minor seven flat five
C double flat major seven sharp five
D double flat minor seven
E double flat seven
F double flat major seven
Notes and intervals
| 1 | GbG♭ | Root |
|---|---|---|
| 2 | AbbA♭♭ | Minor 2nd |
| 3 | BbbB♭♭ | Minor 3rd |
| 4 | CbbC♭♭ | Diminished 4th |
| 5 | DbbD♭♭ | Diminished 5th |
| 6 | EbbE♭♭ | Minor 6th |
| 7 | FbbF♭♭ | Diminished 7th |
| Steps | H W H W W H 1½ |
|---|---|
| Semitones | 1-2-1-2-2-1-3 |
| Degrees | 1 ♭2 ♭3 ♭4 ♭5 ♭6 ♭♭7 |
Fingering
Suggested fingering, follows standard fingering rules
| Hand | G flat | A double flat | B double flat | C double flat | D double flat | E double flat | F double flat | G flat |
|---|---|---|---|---|---|---|---|---|
| Right hand | 4 | 1 | 2 | 3 | 1 | 2 | 3 | 4 |
| Left hand | 3 | 2 | 1 | 3 | 2 | 1 | 4 | 3 |
Shapes
Chromatic
Circle of Fifths
Related scales
Ultra Locrian in other keys
Modes
The same notes, starting on a different note.
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