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