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C Dominant 9th :: C E G B♭ D

A
E
C
G
3
C
5
♭7
9
C
5
♭7
3
9
C
♭7
3
5
9
C
3
5
9
♭7
⬤ ⬤
3
C
5
⬤ ⬤
G B♭ D
G Minor :: G B♭ D

A
E
C
G
G
♭3
5
G
♭3
5
♭3
G
5
G
5
♭3
⬤ ⬤
G
⬤ ⬤
B♭
C Half Diminished 7th :: C E♭ G♭ B♭

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

A
E
C
G
♭5
B♭
♭3
♭7
B♭
♭3
♭7
♭5
B♭
♭3
♭5
♭7
♭3
♭5
B♭
♭7
⬤ ⬤
♭5
⬤ ⬤