B♭ Major 7th :: B♭ D F A

A
E
C
G
7
B♭
5
3
7
B♭
3
7
5
B♭
3
5
7
3
B♭
5
⬤ ⬤
7
⬤ ⬤
D F A
D Minor 7th :: D F A C

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