B♭ Minor 7th
::
B♭
D♭
F
A♭
G
D
A
E
B
♭7
B♭
5
♭3
⬤
B♭
5
⬤
♭3
♭7
⬤
⬤
♭3
♭7
B♭
5
⬤
⬤
B♭
5
⬤
♭3
♭7
⬤
5
♭3
♭7
B♭
⬤ ⬤
⬤ ⬤