Ab6/9 chord
Ab six nine
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>G
Gb
G
Ab1
A
Bb
B
C
Db
D
Eb
E
F
Gb
G
Ab
C
C3
Db
D
Eb
E
F
Gb
G
Ab
A
Bb
B
C
C
E
Eb
E
F6
Gb
G
Ab
A
Bb
B
C
Db
D
Eb
E
F
A
Ab
A
Bb9
B
C
Db
D
Eb
E
F
Gb
G
Ab
A
Bb
3
5
7
10
The Ab6/9 chord has the formula 1, 3, 6, 9 with notes Ab, C, F, Bb
The six nine chord has a rich and somewhat ambiguous sound. It can often be used as a substitute for major chords or major seventh chords.