C Major 6th
::
C
E
G
A
⨉
A
E
C
G
6
3
C
5
6
⬤
C
5
⬤
3
⬤
6
C
⬤
⬤
3
5
⬤
C
⬤
6
3
⬤
5
⬤ ⬤
6
3
C
5
⬤ ⬤
C
E
C Major 7th (♭5)
::
C
E
G♭
B
⨉
A
E
C
G
3
C
7
♭5
⬤
C
⬤
3
7
⬤
C
⬤
♭5
⬤
3
7
⬤
C
⬤
♭5
3
⬤
7
♭5
⬤ ⬤
3
C
⬤ ⬤