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C Diminished 7th :: C E♭ G♭ A

E
B
G
D
A
E
𝄫7
C
♭3
♭5
𝄫7
♭5
C
♭3
♭5
𝄫7
C
𝄫7
♭3
♭5
𝄫7
C
♭3
C
♭5
𝄫7
C
♭3
♭5
♭3
⬤ ⬤
𝄫7
⬤ ⬤
A
A Dominant 7th :: A C♯ E G

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