B♭ Major
::
B♭
D
F
⨉
B
F♯
D
A
3
B♭
⬤
3
5
⬤
B♭
⬤
3
⬤
5
⬤
⬤
3
B♭
5
⬤
⬤
B♭
5
⬤ ⬤
3
⬤ ⬤
C Major 7th (♭5)
::
C
E
G♭
B
⨉
B
F♯
D
A
7
♭5
C
3
7
⬤
C
⬤
♭5
⬤
3
7
⬤
C
⬤
♭5
3
⬤
⬤
7
♭5
⬤
3
C
⬤ ⬤
7
♭5
⬤ ⬤