F
G#
Eb
B
F#
D
A
B
C
Eb
F
C
G#
B
F#
D
A
F
C
D
Eb
F#
G#
Eb
B
D
A
F
C
G#
Eb
F
F#
A
B
F#
D
F
C
G#
Eb
B
F#
G#
A
C
D
A
F
G#
Eb
B
F#
D
A
B
C
Eb
F
C
G#
B
F#
D
A
F
C
D
Eb
F#
G#
Eb
B
D
A
F
C
G#
Eb
F
F#
A
B
F#
D
F
C
G#
Eb
B
F#
G#
A
C
D
A
F
G#
Eb
B
F#
D
A
B
C
Eb
F
C
G#
B
F#
D Half-Whole Diminished Scale notes: D Eb F F# G# A B C. Formula: 1 b2 b3 3 #4 5 6 b7. Chords that fit it: D, Dm, D7, Dm7, Ddim, Ddim7, Dm7b5, D5.
The half-whole diminished scale alternates half and whole steps: 1 b2 b3 3 #4 5 6 b7. It fits dominant chords with b9 and #9, so it is a jazz and fusion staple over 7b9 chords. It is symmetric: the pattern repeats every three frets, so there are only three different ones.