B Major 7th (♭5) :: B D♯ F A♯

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

F
C
G
D
G♭
5
3
G♭
3
G♭
5
5
3
3
G♭
5
⬤ ⬤
⬤ ⬤