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