B♭ Major 6th :: B♭ D F G

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

B
F♯
D
A
A
♭3
♭7
5
A
♭3
5
♭7
♭3
A
5
♭7
A
5
♭3
♭7
⬤ ⬤
A
⬤ ⬤