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 Dominant 7th :: C E G B♭

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

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