About the A sharp Ultra Locrian scale
A sharp 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.
On the piano, the scale touches the black keys A♯, C♯, and F♯.
Chords in the key of A sharp Ultra Locrian
Expand a chord to see how to play it.
A sharp diminished over C sharp (1st inversion)
B minor over D (1st inversion)
C sharp diminished over E (1st inversion)
D augmented over F sharp (1st inversion)
E minor over G (1st inversion)
F sharp over A sharp (1st inversion)
G over B (1st inversion)
Seventh chords in A sharp Ultra Locrian
The four-note version of each chord, richer and jazzier.
A sharp diminished seven
B minor major seven
C sharp minor seven flat five
D major seven sharp five
E minor seven
F sharp seven
G major seven
Notes and intervals
| 1 | A#A♯ | Root |
|---|---|---|
| 2 | BB | Minor 2nd |
| 3 | C#C♯ | Minor 3rd |
| 4 | DD | Diminished 4th |
| 5 | EE | Diminished 5th |
| 6 | F#F♯ | Minor 6th |
| 7 | GG | 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 sharp | B | C sharp | D | E | F sharp | G | A sharp |
|---|---|---|---|---|---|---|---|---|
| Right hand | 2 | 3 | 4 | 1 | 2 | 3 | 1 | 2 |
| 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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