G♭ Major 6th :: G♭ B♭ D♭ E♭

B
F♯
D
A
G♭
6
3
5
6
3
G♭
5
6
G♭
5
3
6
G♭
3
5
⬤ ⬤
G♭
⬤ ⬤
C Minor 7th :: C E♭ G B♭

B
F♯
D
A
C
5
♭3
♭7
C
♭3
♭7
5
C
♭3
5
♭7
♭3
C
5
♭7
⬤ ⬤
⬤ ⬤