Root on A string
no fifthx3234x
C7♯9 chord on guitar
C7♯9 is the C dominant 7 sharp 9 chord. Its notes are C, E, G, B♭ and D♯. A familiar blues-rock altered dominant. The fifth is omitted.
How to play C7♯9
Numbers show frets from the low E string to the high e string; x means don't play that string.
What's in C7♯9
- C1
- E3
- G5
- B♭♭7
- D♯♯9
- Formula
- 1 · 3 · 5 · ♭7 · ♯9
- Also written
- C7♯9
- Chord type
- Dominant 7 sharp 9
C7♯9 notes across the neck
Every C, E, G, B♭ and D♯ on the first 12 frets. The filled dots are the root, C. Build your own shape from any nearby group.
Related chords
Other C chords
Other dominant 7 sharp 9 chords