B♭ Augmented 7th
::
B♭
D
G♭
A♭
G
D
A
E
B
3
♭7
B♭
♯5
⬤
B♭
3
⬤
♯5
♭7
⬤
3
⬤
♭7
B♭
⬤
3
♯5
⬤
B♭
⬤
♯5
♭7
⬤
3
♯5
♭7
B♭
⬤ ⬤
3
⬤ ⬤