B Major 7th (♭5) :: B D♯ F A♯

F
C
G
D
♭5
3
3
7
♭5
B
7
♭5
B
3
7
B
3
7
♭5
B
⬤ ⬤
♭5
⬤ ⬤
B Minor 6th :: B D F♯ G♯

F
C
G
D
♭3
5
6
♭3
6
B
5
B
5
6
♭3
6
♭3
B
B
5
⬤ ⬤
♭3
⬤ ⬤