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B Diminished :: B D F

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

A
E
C
G
A♭
♭3
♭7
♭5
A♭
♭3
♭5
♭7
♭3
♭5
A♭
♭7
♭5
A♭
♭3
♭7
⬤ ⬤
⬤ ⬤
A♭ B G♭
G♭ Dominant 13th :: G♭ B♭ D♭ E A♭ B E♭

A
E
C
G
♭7
3
5
9
11
G♭
13
3
5
9
♭7
11
13
3
G♭
5
♭7
11
9
13
G♭
5
♭7
3
9
13
11
G♭
⬤ ⬤
♭7
⬤ ⬤
G♭ B♭ A♭ B E♭
A♭ Minor 9th :: A♭ B E♭ G♭ B♭

A
E
C
G
9
A♭
♭3
♭7
5
9
A♭
♭3
5
9
♭7
♭3
A♭
5
♭7
9
A♭
5
♭3
♭7
⬤ ⬤
⬤ ⬤