G♭ Major 7th :: G♭ B♭ D♭ F

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

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

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

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