A♭ Dominant 9th
::
A♭
C
E♭
G♭
B♭
A
E
C
G
3
9
A♭
♭7
⬤
3
5
9
⬤
A♭
⬤
3
⬤
5
9
♭7
⬤
⬤
3
A♭
5
⬤
♭7
⬤
9
A♭
5
♭7
⬤ ⬤
3
⬤ ⬤