B♭ Major 7th :: B♭ D F A

B
F♯
D
A
3
7
B♭
3
7
5
B♭
3
5
7
3
B♭
5
7
B♭
5
⬤ ⬤
3
7
⬤ ⬤
A Major 9th :: A C♯ E G♯ B

B
F♯
D
A
9
A
3
7
5
9
A
3
5
9
7
3
A
5
7
9
A
5
3
7
⬤ ⬤
9
A
⬤ ⬤