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B Dominant 7th :: B D♯ F♯ A

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

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

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