C Dominant 7th :: C E G B♭

B
F♯
D
A
C
5
♭7
3
C
♭7
3
5
C
3
5
♭7
3
C
5
♭7
⬤ ⬤
⬤ ⬤
G♭ Major :: G♭ B♭ D♭

B
F♯
D
A
G♭
3
5
3
G♭
5
G♭
5
3
G♭
3
5
⬤ ⬤
G♭
⬤ ⬤