G♭ Dominant 7th
::
G♭
B♭
D♭
E
C
G
D
A
E
B
♭7
5
3
♭7
G♭
5
⬤
3
⬤
♭7
G♭
5
⬤
♭7
⬤
G♭
5
3
⬤
♭7
G♭
⬤
3
⬤
♭7
G♭
5
⬤
3
G♭
5
3
⬤ ⬤
♭7
⬤ ⬤