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A Diminished :: A C E♭

A
E
C
G
A
♭3
A
♭3
♭5
A
♭3
♭5
♭3
♭5
A
♭5
⬤ ⬤
A
♭3
⬤ ⬤
C
C Dominant 7th (♭5) :: C E G♭ B♭

A
E
C
G
3
C
♭7
♭5
C
♭7
3
C
♭7
♭5
3
C
♭5
3
♭7
♭5
⬤ ⬤
3
C
⬤ ⬤
C E
C Major :: C E G

A
E
C
G
3
C
5
C
5
3
C
3
5
C
3
5
⬤ ⬤
3
C
5
⬤ ⬤