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A Half Diminished 7th :: A C E♭ G

E
B
G
D
A
E
♭7
A
♭3
♭5
A
♭7
♭3
♭7
♭5
A
♭3
♭7
A
♭5
A
♭3
♭7
♭5
♭3
A
♭3
♭7
♭5
♭5
⬤ ⬤
♭7
A
⬤ ⬤
A♭ Dominant 9th :: A♭ C E♭ G♭ B♭

E
B
G
D
A
E
3
A♭
5
9
♭7
♭7
9
3
A♭
5
♭7
A♭
3
9
A♭
5
9
♭7
3
5
9
3
A♭
♭7
3
5
9
♭7
A♭
5
⬤ ⬤
⬤ ⬤
D Diminished 7th :: D F A♭ C♭

E
B
G
D
A
E
𝄫7
D
♭3
♭5
♭3
𝄫7
D
♭3
♭5
𝄫7
♭5
D
♭3
♭5
𝄫7
D
𝄫7
♭3
♭5
𝄫7
D
♭3
D
♭5
⬤ ⬤
𝄫7
D
⬤ ⬤