About the F 9b5 Pentatonic scale
F 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 F, G, A♭, C♭, and E♭. The formula is W H 1½ 4 semitones W.
F 9b5 Pentatonic uses two black keys on the piano, A♭ and E♭.
Notes and intervals
| 1 | FF | Root |
|---|---|---|
| 2 | GG | Major 2nd |
| 3 | AbA♭ | Minor 3rd |
| 4 | CbC♭ | Diminished 5th |
| 5 | EbE♭ | 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
Related scales
9b5 Pentatonic in other keys
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