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G♭ Dominant 7th (♭5) :: G♭ B♭ C E

A
E
C
G
♭7
♭5
3
G♭
♭5
3
♭7
♭5
3
G♭
♭7
♭5
G♭
♭7
3
G♭
⬤ ⬤
♭7
♭5
⬤ ⬤
B♭
B♭ Minor 6th :: B♭ D♭ F G

A
E
C
G
6
B♭
5
♭3
6
B♭
♭3
5
B♭
♭3
6
5
♭3
6
B♭
5
⬤ ⬤
6
⬤ ⬤
B♭ D♭ G
E Diminished 7th :: E G B♭ D♭

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