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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
⬤ ⬤
G♭
D Major :: D F♯ A

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