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G Half-whole Diminished

G · A♭ · B♭ · B · C♯ · D · E · F
Also called the dominant diminished scale, G Half-whole Diminished alternates half and whole steps for eight notes and repeats every minor third. It contains the flat ninth, sharp ninth, sharp eleventh, and thirteenth, which makes it the natural choice over a 7♭9 chord. Essential jazz vocabulary, and its symmetry means one shape moves anywhere.
Left-handed
0123456789101112131415EFGA♭B♭BC♯DEFGBC♯DEFGA♭B♭BC♯DGA♭B♭BC♯DEFGA♭B♭DEFGA♭B♭BC♯DEFB♭BC♯DEFGA♭B♭BEFGA♭B♭BC♯DEFG

Practice this Scale

Play-alongs where G Half-whole Diminished has been identified to match well with the track.

Thick Groove Blues Guitar Backing Track in G Minor (Gm7)
This scale can be used over the D7 chord for an exotic tension and resolution.