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