Amaj9 chord
A major ninth
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G
F#
G
G#
A1
A#
B
C
C#
D
D#
E
F
F#
G
A
C
C
C#3
D
D#
E
F
F#
G
G#
A
A#
B
C
C#
E
D#
E
F
F#
G
G#7
A
A#
B
C
C#
D
D#
E
G#
A
G#
A
A#
B9
C
C#
D
D#
E
F
F#
G
G#
A
B
3
5
7
10
The Amaj9 chord has the formula 1, 3, 7, 9 with notes A, C#, G#, B
The major ninth chord is commonly used in funk, blues, and jazz. It is a chord that lends easily to rhythmic variations in funk and sliding in blues.