B♭ Major
::
B♭
D
F
⨉
B
F♯
D
A
3
B♭
⬤
3
5
⬤
B♭
⬤
3
⬤
5
⬤
⬤
3
B♭
5
⬤
⬤
B♭
5
⬤ ⬤
3
⬤ ⬤
B Diminished 7th
::
B
D
F
A♭
⨉
B
F♯
D
A
B
♭3
𝄫7
B
⬤
♭3
♭5
⬤
⬤
B
♭3
⬤
♭5
𝄫7
⬤
⬤
♭3
♭5
⬤
𝄫7
B
⬤
♭5
𝄫7
⬤ ⬤
B
♭3
⬤ ⬤