Abm9 chord
Ab minor ninth
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>G
Gb
G
Ab
A
Bb9
B
C
Db
D
Eb
E
F
Gb
G
Bb
C
C
Db
D
Eb
E
F
Gbb7
G
Ab
A
Bb
B
C
Gb
E
Eb
E
F
Gb
G
Ab1
A
Bb
B
C
Db
D
Eb
E
Ab
A
Ab
A
Bb
Bb3
C
Db
D
Eb
E
F
Gb
G
Ab
A
B
3
5
7
10
The Abm9 chord has the formula 1, b3, b7, 9 with notes Ab, B, Gb, Bb
The minor ninth chord is used in gospel, R&B, soul and jazz. It is very versatile in R&B progressions, and works well as a smooth chord to end off a chord progression.