About the A flat Ultra Locrian scale
A 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 A♭, B♭♭, C♭, D♭♭, E♭♭, F♭, and G♭♭. The formula is H W H W W H 1½. It is the seventh mode of B♭♭ Harmonic Minor.
Also called Altered Diminished.
The black key A♭ belongs to the key. A♭ Ultra Locrian includes a stretch of six consecutive white keys.
Chords in the key of A flat Ultra Locrian
Expand a chord to see how to play it.
A flat diminished over C flat (1st inversion)
B double flat minor over D double flat (1st inversion)
C flat diminished over E double flat (1st inversion)
D double flat augmented over F flat (1st inversion)
E double flat minor over G double flat (1st inversion)
F flat over A flat (1st inversion)
G double flat over B double flat (1st inversion)
Seventh chords in A flat Ultra Locrian
The four-note version of each chord, richer and jazzier.
A flat diminished seven
B double flat minor major seven
C flat minor seven flat five
D double flat major seven sharp five
E double flat minor seven
F flat seven
G double flat major seven
Notes and intervals
| 1 | AbA♭ | Root |
|---|---|---|
| 2 | BbbB♭♭ | Minor 2nd |
| 3 | CbC♭ | Minor 3rd |
| 4 | DbbD♭♭ | Diminished 4th |
| 5 | EbbE♭♭ | Diminished 5th |
| 6 | FbF♭ | Minor 6th |
| 7 | GbbG♭♭ | 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 | A flat | B double flat | C flat | D double flat | E double flat | F flat | G double flat | A flat |
|---|---|---|---|---|---|---|---|---|
| Right hand | 4 | 1 | 2 | 3 | 1 | 2 | 3 | 4 |
| Left hand | 4 | 3 | 2 | 1 | 3 | 2 | 1 | 4 |
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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