The G-sharp major sixth-ninth chord (abbreviated "G#6/9 chord") is a five-note chord consisting of the notes G♯, B♯, D♯, E♯, and A♯. The chord is formed by adding a major sixth and a major ninth to a G-sharp major chord.
G-sharp major sixth-ninth chord
G♯ B♯ D♯ E♯ A♯
1 3 5 6 9
Pentad (five-note chord)