A♭ Dominant 7th (♭5)
::
A♭
C
D
G♭
C
G
D
A
E
B
3
♭5
A♭
3
♭5
♭7
⬤
3
♭5
⬤
♭7
A♭
⬤
3
♭5
⬤
♭7
A♭
⬤
♭5
♭7
⬤
A♭
3
⬤
♭7
A♭
⬤
3
♭5
♭7
A♭
⬤ ⬤
3
♭5
⬤ ⬤