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D Half Diminished 7th :: D F A♭ C

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

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

E
B
G
D
A
E
G
5
9
♭7
♭3
♭7
9
G
5
♭3
♭7
G
9
G
5
9
♭3
♭7
♭3
5
9
G
♭3
♭7
5
9
♭7
G
5
♭3
⬤ ⬤
G
5
9
⬤ ⬤
D A
D Major :: D F♯ A

E
B
G
D
A
E
D
5
3
5
3
D
3
5
D
5
3
D
5
3
D
5
D
3
⬤ ⬤
D
5
⬤ ⬤