C#6/9 chord
The C-sharp major sixth-ninth chord (abbreviated "C#6/9 chord") is a five-note chord consisting of the notes C♯, E♯, G♯, A♯, and D♯. The chord is formed by adding a major sixth and a major ninth to a C-sharp major chord.
Name
C-sharp major sixth-ninth chord
Notes
C♯ E♯ G♯ A♯ D♯
Intervals
1 3 5 6 9
Chord symbol
C♯6/9
Alternative symbols
C♯6add9 C♯6(add9)
Type
pentad (five-note chord)