B♭ Major 7th :: B♭ D F A

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

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

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