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