B♭ Major 6th :: B♭ D F G

B
F♯
D
A
3
6
B♭
3
5
B♭
6
3
5
6
3
B♭
5
6
B♭
5
⬤ ⬤
3
⬤ ⬤
G♭ Major :: G♭ B♭ D♭

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