Mode 2 of G Diminished Scale

Ab Whole-Half

Space plays and stops
Notes
AbBbBC#DEFG
Steps
W H W H W H W
Intervals
2 m2 2 m2 2 m2 2

The diminished scale alternates whole steps and half steps to produce a symmetric scale with some interesting attributes.

Ab Whole-Half is the 2nd mode of the G Diminished Scale: its notes, G Ab Bb B C# D E F, played from Ab.

Chords it fits