B♭ Major :: B♭ D F

G
D
A
E
3
B♭
5
B♭
5
3
B♭
3
B♭
5
5
3
⬤ ⬤
3
⬤ ⬤
D Major 7th (♭5) :: D F♯ A♭ C♯

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