D♭ Major 7th (♭5)
::
D♭
F
G
C
A
E
C
G
7
♭5
3
D♭
⬤
7
♭5
⬤
D♭
⬤
3
7
⬤
D♭
⬤
♭5
⬤
3
7
⬤
D♭
⬤
♭5
3
⬤ ⬤
7
♭5
⬤ ⬤