About the D 7b5 Diminished scale
D 7b5 Diminished is used for jazz solos over dominant chords with a flat fifth. Think of it as a dominant scale with a flat fifth and a chromatic seventh.
Its notes are D, E, F♯, G, A♭, B♭, C, and C♯. The formula is W W H H W W H H.
Also called Messiaen Mode 6.
Four of the notes in D 7b5 Diminished are black keys, F♯, A♭, B♭, and C♯.
Notes and intervals
| 1 | DD | Root |
|---|---|---|
| 2 | EE | Major 2nd |
| 3 | F#F♯ | Major 3rd |
| 4 | GG | Perfect 4th |
| 5 | AbA♭ | Diminished 5th |
| 6 | BbB♭ | Minor 6th |
| 7 | CC | Minor 7th |
| 8 | C#C♯ | Major 7th |
| Steps | W W H H W W H H |
|---|---|
| Semitones | 2-2-1-1-2-2-1-1 |
| Degrees | 1 2 3 4 ♭5 ♭6 ♭7 7 |
Shapes
Chromatic
Circle of Fifths
Related scales
7b5 Diminished in other keys
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