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