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 Minor 7th :: B D F♯ A

G
D
A
E
♭3
♭7
♭7
B
5
B
5
♭3
♭7
♭3
♭7
B
B
5
♭3
5
⬤ ⬤
♭3
♭7
⬤ ⬤