D♭ Dominant 7th Sus 4 :: D♭ G♭ A♭ B

E
B
G
D
A
E
♭7
5
4
D♭
♭7
4
5
♭7
4
D♭
5
D♭
5
♭7
4
♭7
D♭
5
♭7
4
D♭
4
D♭
5
⬤ ⬤
♭7
⬤ ⬤