D♭ Dominant 7th
::
D♭
F
A♭
C♭
⨉
F
C
G
D
3
D♭
5
⬤
5
3
⬤
♭7
⬤
3
⬤
♭7
D♭
5
⬤
⬤
D♭
5
⬤
♭7
⬤
3
♭7
D♭
⬤ ⬤
3
⬤ ⬤
B♭ Major
::
B♭
D
F
⨉
F
C
G
D
5
3
3
⬤
B♭
5
⬤
⬤
B♭
5
⬤
⬤
3
⬤
B♭
⬤
3
⬤
B♭
5
⬤ ⬤
5
3
⬤ ⬤