C7#9 guitar chord

The C7#9 chord (C 7th sharp 9) is built from the notes C, E, G, Bb and D#, formula 1–3–5–b7–#9.

Notes
C E G Bb D#
Type
7th sharp 9
Level
Barre chord
OpenShape 1 of 3
×3142CD#BbCE
x31310

How to play C7#9

The easiest C7#9 shape is x31310, starting around fret 1. Mute any strings marked x so only chord tones sound.

Gritty and aggressive, famous as the 'Hendrix chord' in rock and funk.

Other ways to play it

Questions

What notes are in the C7#9 chord?

C7#9 contains C, E, G, Bb and D#. Its formula is 1–3–5–b7–#9.

Is C7#9 hard to play on guitar?

It is harder than a basic open chord. The most common shape is x31310.

What can I play instead of C7#9?

C7 is the closest simpler chord. It keeps the same root and basic character, so it works when C7#9 is too hard or too busy.