D Major 7th (♭5) :: D F♯ A♭ C♯

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

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