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G Diminished :: G B♭ D♭

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

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