About the A flat 9b5 Pentatonic scale
A flat 9b5 Pentatonic is a five-note scale with a minor third and a flat fifth. It's used for jazz solos over altered and half-diminished chords.
Notes and intervals
| 1 | A flat | Root |
| 2 | B flat | Major 2nd |
| 3 | C flat | Minor 3rd |
| 4 | D | Diminished 5th |
| 5 | G flat | Minor 7th |
Shapes
Chromatic
Circle of Fifths
