B Major 7th (♭5) :: B D♯ F A♯

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

G
D
A
E
3
B♭
5
B♭
5
3
B♭
3
B♭
5
5
3
⬤ ⬤
3
⬤ ⬤