G♭ Major 6th
::
G♭
B♭
D♭
E♭
G
D
A
E
B
6
3
G♭
5
⬤
3
⬤
G♭
5
6
⬤
⬤
5
6
3
⬤
G♭
⬤
6
3
⬤
G♭
5
⬤
G♭
5
6
3
⬤ ⬤
⬤ ⬤