D♭ Dominant 7th
::
D♭
F
A♭
C♭
B
F♯
D
A
♭7
D♭
5
♭7
⬤
3
⬤
D♭
⬤
♭7
⬤
3
5
⬤
D♭
⬤
3
⬤
5
♭7
⬤
3
D♭
5
⬤ ⬤
♭7
⬤ ⬤