G♭ Major 6th :: G♭ B♭ D♭ E♭

B
F♯
D
A
G♭
6
3
5
6
3
G♭
5
6
G♭
5
3
6
G♭
3
5
⬤ ⬤
G♭
⬤ ⬤
A♭ Minor :: A♭ C♭ E♭

B
F♯
D
A
♭3
5
A♭
♭3
5
♭3
A♭
5
A♭
5
♭3
A♭
⬤ ⬤
♭3
⬤ ⬤