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C7#9 Guitar Chord

A raw, urgent sound containing both a major third and a minor third (augmented ninth = minor third). Made famous by Jimi Hendrix in "Purple Haze". A staple of blues-rock and funk.

Guitar

Strings X–3–2–3–4–X

How to play the C7#9 chord on guitar

Read the string pattern X–3–2–3–4–X from the low E string to the high E string. Numbers in the pattern are frets; numbers in the colored dots are left-hand fingers. X means a muted string and 0 means an open string.

6th string (low E) Do not play
5th string (A) Fret 3 · middle finger
4th string (D) Fret 2 · index finger
3rd string (G) Fret 3 · ring finger
2nd string (B) Fret 4 · little finger
1st string (high E) Do not play

Notation for C7#9 chord

Other names: C 7th sharp 9, C Hendrix chord

Music theory name: seventh sharp nine chord

Common name: C Hendrix chord

Intervals and tones in C7#9 chord

Note Interval
C Root
E Major 3rd
G Perfect 5th
B Minor 7th
Eb Augmented 9th

All Variations

Open
X–3–2–3–4–X
Fret 3
X–3–5–3–4–0
Fret 8
8–10–8–9–8–11
Fret 9
X–X–10–9–11–11

More chords with C as the root

The same chord type in other keys