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
⬤ ⬤
A Major 6th :: A C♯ E F♯

G
D
A
E
A
5
A
5
6
6
3
A
3
A
5
5
6
3
6
3
⬤ ⬤
A
5
⬤ ⬤