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