C Diminished
::
C
E♭
G♭
⨉
A
E
C
G
C
♭5
⬤
C
♭3
⬤
⬤
C
⬤
♭3
♭5
⬤
⬤
C
♭3
⬤
♭5
⬤
♭3
♭5
⬤ ⬤
C
⬤ ⬤
—
A Major
::
A
C♯
E
⨉
A
E
C
G
A
5
3
A
⬤
⬤
3
5
⬤
A
⬤
3
⬤
5
⬤
⬤
3
A
5
⬤
⬤ ⬤
A
5
⬤ ⬤