The A-sharp major sixth-ninth chord (abbreviated "A#6/9 chord") is a five-note chord consisting of the notes A, C, E, F, and B. The chord is formed by adding a major sixth and a major ninth to a A-sharp major chord.

Name
A-sharp major sixth-ninth chord
Notes
A C E F B
Intervals
1 3 5 6 9
Chord symbol
A6/9
Alternative symbols
A6add9 A6(add9)
Type
Pentad (five-note chord)

A#6/9 chord on piano

A#6/9 chord on guitar

A#6/9 chord on ukulele

A#6/9 chord on the staff