Electric guitar · Seventh chord

C7C Seventh

Key: F Major
Medium
Popular
Open chord

C7 is the C seventh chord on electric guitar, made of the notes C · E · G · A#.

Notes

C
E
G
A#

Structure

1
3
5
♭7

Sound: Dominant seventh; Tense, bluesy
Harmonic function: Dominant; Creates tension that resolves to the tonic.

Harmonic field of F Major

Degree	Chord	Function
I	F	Tonic
ii	Gm	Subdominant
iii	Am	Tonic relative
IV	A#	Subdominant
V	C	Dominant
vi	Dm	Tonic relative
vii°	Edim	Dominant

How to play

1Place your index finger on fret 1 of string 2.
2Place your middle finger on fret 2 of string 4.
3Place your pinky on fret 3 of string 5.
4Place your ring finger on fret 3 of string 3.
5Let string 1 ring open.
6Don't play string 6.
7Strum from string 5 down.