Chord Colors

B♭ 9b5 Pentatonic scale
PianoGuitar

About the B flat 9b5 Pentatonic scale

B 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 B♭, C, D♭, F♭, and A♭. The formula is W H 1½ 4 semitones W.

B♭ 9b5 Pentatonic uses three black keys on the piano, B♭, D♭, and A♭.

Notes and intervals

1BbB♭Root
2CCMajor 2nd
3DbD♭Minor 3rd
4FbF♭Diminished 5th
5AbA♭Minor 7th
StepsW H 1½ 4 semitones W
Semitones2-1-3-4-2
Degrees1 2 ♭3 ♭5 ♭7

Shapes

Chromatic

CC♯D♭DD♯E♭EFF♯G♭GG♯A♭AA♯B♭B

Circle of Fifths

CGDAEBF♯G♭C♯D♭G♯A♭D♯E♭A♯B♭F

Related scales

9b5 Pentatonic in other keys

C 9b5 Pentatonic scaleD flat 9b5 Pentatonic scaleD 9b5 Pentatonic scaleE flat 9b5 Pentatonic scaleE 9b5 Pentatonic scaleF 9b5 Pentatonic scaleG flat 9b5 Pentatonic scaleG 9b5 Pentatonic scaleA flat 9b5 Pentatonic scaleA 9b5 Pentatonic scaleB 9b5 Pentatonic scale

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Bb 9b5 Pentatonic scale on piano shown as colored note dots
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