About the D flat 9b5 Pentatonic scale
D flat 9b5 Pentatonic is used for jazz solos over altered and half-diminished chords. Think of it as a five-note scale with a minor third and a flat fifth.
Its notes are D♭, E♭, F♭, G, and C♭. The formula is W H 1½ 4 semitones W.
The key draws two black keys from the piano, D♭ and E♭.
Notes and intervals
| 1 | DbD♭ | Root |
|---|---|---|
| 2 | EbE♭ | Major 2nd |
| 3 | FbF♭ | Minor 3rd |
| 4 | GG | Diminished 5th |
| 5 | CbC♭ | Minor 7th |
| Steps | W H 1½ 4 semitones W |
|---|---|
| Semitones | 2-1-3-4-2 |
| Degrees | 1 2 ♭3 ♭5 ♭7 |
Shapes
Chromatic
Circle of Fifths