G♭ Major 7th :: G♭ B♭ D♭ F

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

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