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A♭ Diminished :: A♭ B D

A
E
C
G
A♭
♭3
♭5
A♭
♭3
♭5
♭3
♭5
A♭
♭5
A♭
♭3
⬤ ⬤
⬤ ⬤
A♭ D
D Major 7th (♭5) :: D F♯ A♭ C♯

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