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