About the F Ultra Locrian scale
F 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 F, G♭, A♭, B♭♭, C♭, D♭, and E♭♭. The formula is H W H W W H 1½. It is the seventh mode of G♭ Harmonic Minor.
Also called Altered Diminished.
F Ultra Locrian uses three black keys on the piano, G♭, A♭, and D♭.
Chords in the key of F Ultra Locrian
Expand a chord to see how to play it.
i° F diminished
F diminished over A flat (1st inversion)
ii G flat minor
G flat minor over B double flat (1st inversion)
iii° A flat diminished
A flat diminished over C flat (1st inversion)
IV+ B double flat augmented
B double flat augmented over D flat (1st inversion)
v C flat minor
C flat minor over E double flat (1st inversion)
VI D flat
D flat over F (1st inversion)
VII E double flat
E double flat over G flat (1st inversion)
Seventh chords in F Ultra Locrian
The four-note version of each chord, richer and jazzier.
i° F diminished seven
F diminished seven
ii G flat minor major seven
G flat minor major seven
iii° A flat minor seven flat five
A flat minor seven flat five
IV+ B double flat major seven sharp five
B double flat major seven sharp five
v C flat minor seven
C flat minor seven
VI D flat seven
D flat seven
VII E double flat major seven
E double flat major seven
Notes and intervals
| 1 | FF | Root |
|---|---|---|
| 2 | GbG♭ | Minor 2nd |
| 3 | AbA♭ | Minor 3rd |
| 4 | BbbB♭♭ | Diminished 4th |
| 5 | CbC♭ | Diminished 5th |
| 6 | DbD♭ | Minor 6th |
| 7 | EbbE♭♭ | 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 | F | G flat | A flat | B double flat | C flat | D flat | E double flat | F |
|---|---|---|---|---|---|---|---|---|
| Right hand | 1 | 2 | 3 | 1 | 2 | 3 | 4 | 5 |
| Left hand | 5 | 4 | 3 | 2 | 1 | 3 | 2 | 1 |
Shapes
Chromatic
Circle of Fifths
Related scales
Ultra Locrian in other keys
Modes
The same notes, starting on a different note.