F
Ab
Eb
B
Gb
D
A
B
C
Eb
F
C
Ab
B
Gb
D
A
F
C
D
Eb
Gb
Ab
Eb
B
D
A
F
C
Ab
Eb
F
Gb
A
B
Gb
D
F
C
Ab
Eb
B
Gb
Ab
A
C
D
A
F
Ab
Eb
B
Gb
D
A
B
C
Eb
F
C
Ab
B
Gb
D
A
F
C
D
Eb
Gb
Ab
Eb
B
D
A
F
C
Ab
Eb
F
Gb
A
B
Gb
D
F
C
Ab
Eb
B
Gb
Ab
A
C
D
A
F
Ab
Eb
B
Gb
D
A
B
C
Eb
F
C
Ab
B
Gb
C Whole-Half Diminished Scale notes: C D Eb F Gb Ab A B. Formula: 1 2 b3 4 b5 b6 6 7. Chords that fit it: Cdim, Cdim7.
The whole-half diminished scale alternates whole and half steps: 1 2 b3 4 b5 b6 6 7. It is the natural choice over diminished 7 chords and shows up in jazz, film scores and fast metal runs. Like every diminished scale it repeats every three frets, so there are only three different ones.