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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♭
G♭ Sus 2nd :: G♭ A♭ D♭

A
E
C
G
5
2
G♭
5
2
G♭
5
2
G♭
5
2
G♭
⬤ ⬤
⬤ ⬤