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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♭
B Minor 7th :: B D F♯ A

A
E
C
G
♭7
B
5
♭3
♭7
B
♭3
♭7
5
B
♭3
5
♭7
♭3
B
5
⬤ ⬤
♭7
⬤ ⬤
D
G Sus 4th :: G C D

A
E
C
G
4
G
5
4
G
5
4
G
5
4
G
5
⬤ ⬤
4
G
⬤ ⬤