D♭ Dominant 7th (♭5)
::
D♭
F
G
B
⨉
A
E
C
G
♭5
3
D♭
♭7
⬤
♭5
⬤
D♭
♭7
⬤
3
⬤
D♭
⬤
♭7
♭5
⬤
3
⬤
D♭
⬤
♭5
3
♭7
⬤ ⬤
♭5
⬤ ⬤
D♭
A♭ Sus 4th
::
A♭
D♭
E♭
⨉
A
E
C
G
4
A♭
⬤
5
⬤
4
A♭
⬤
⬤
5
4
⬤
⬤
A♭
5
⬤
4
⬤
A♭
5
⬤ ⬤
⬤ ⬤