About the B Ultra Locrian scale
B 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 B, C, D, E♭, F, G, and A♭. The formula is H W H W W H 1½. It is the seventh mode of C Harmonic Minor.
Also called Altered Diminished.
B Ultra Locrian draws two black keys from the piano, E♭ and A♭.
Chords in the key of B Ultra Locrian
Expand a chord to see how to play it.
B diminished over D (1st inversion)
C minor over E flat (1st inversion)
D diminished over F (1st inversion)
E flat augmented over G (1st inversion)
F minor over A flat (1st inversion)
G over B (1st inversion)
A flat over C (1st inversion)
Seventh chords in B Ultra Locrian
The four-note version of each chord, richer and jazzier.
B diminished seven
C minor major seven
D minor seven flat five
E flat major seven sharp five
F minor seven
G seven
A flat major seven
Notes and intervals
| 1 | BB | Root |
|---|---|---|
| 2 | CC | Minor 2nd |
| 3 | DD | Minor 3rd |
| 4 | EbE♭ | Diminished 4th |
| 5 | FF | Diminished 5th |
| 6 | GG | Minor 6th |
| 7 | AbA♭ | 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 | B | C | D | E flat | F | G | A flat | B |
|---|---|---|---|---|---|---|---|---|
| Right hand | 1 | 2 | 3 | 4 | 1 | 2 | 3 | 4 |
| 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.
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