C#9 Piano Chord
A full, rich sound. A staple chord of funk and R&B music. Automatically includes the seventh — if you don't want it, use add9.
Recommended voicing
Left hand
C#3 · B3
fingers 5–1
Right hand
E#4 · D#5
fingers 1–5
With bass · rootless
Left hand
E#3 · G#3 · B3 · D#4
fingers 5–3–2–1
Right hand
Free
melody / improvisation
Jazz accompaniment with a bass player: the bass supplies the root, leaving the right hand free for melody or improvisation.
Other names for the C#9 chord
Other names: C# dominant 9th, C# 9th
Music theory name: dominant ninth chord
Common name: C# ninth chord
Notes and intervals in the C#9 chord
| Note | Interval |
|---|---|
| C# | Root |
| E# | Major 3rd |
| G# | Perfect 5th |
| B | Minor 7th |
| D# | Major 9th |