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