A♭ Half Diminished 7th
::
A♭
B
D
G♭
C
G
D
A
E
B
♭5
♭3
A♭
♭5
♭3
♭7
⬤
♭5
⬤
♭3
♭7
A♭
⬤
♭5
⬤
♭7
A♭
⬤
♭5
♭3
♭7
⬤
A♭
⬤
♭3
♭7
A♭
⬤
♭5
♭3
♭7
A♭
⬤ ⬤
♭5
♭3
⬤ ⬤