About the G sharp 9b5 Pentatonic scale
G sharp 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 G♯, A♯, B, D, and F♯. The formula is W H 1½ 4 semitones W.
G♯ 9b5 Pentatonic uses three black keys on the piano, G♯, A♯, and F♯.
Notes and intervals
| 1 | G#G♯ | Root |
|---|---|---|
| 2 | A#A♯ | Major 2nd |
| 3 | BB | Minor 3rd |
| 4 | DD | Diminished 5th |
| 5 | F#F♯ | 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