A♭ Major 7th :: A♭ C E♭ G

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

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

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