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D♭ Dominant 7th (♭5) :: D♭ F G B

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

A
E
C
G
5
9
F
♭3
5
9
♭7
♭3
F
5
♭7
9
F
5
♭3
♭7
9
F
♭3
♭7
⬤ ⬤
5
9
⬤ ⬤
C E♭
C Diminished 7th :: C E♭ G♭ A

A
E
C
G
𝄫7
C
♭5
𝄫7
C
♭3
𝄫7
C
♭3
♭5
C
♭3
♭5
𝄫7
♭3
♭5
⬤ ⬤
𝄫7
C
⬤ ⬤
A
A Major 7th :: A C♯ E G♯

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