G Major 7th (♭5) :: G B D♭ F♯

B
F♯
D
A
3
7
G
♭5
3
7
♭5
3
G
7
♭5
G
3
7
G
♭5
⬤ ⬤
3
7
⬤ ⬤
D Major 6th :: D F♯ A B

B
F♯
D
A
6
3
D
5
6
D
5
3
6
D
3
5
D
6
3
5
⬤ ⬤
6
3
D
5
⬤ ⬤