Electric guitar · Seventh chord

C#7C# Seventh

Key: F# Major
Medium

C#7 is the C# seventh chord on electric guitar, made of the notes C# · F · G# · B.

Notes

C#
F
G#
B

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	G#m	Subdominant
iii	A#m	Tonic relative
IV	B	Subdominant
V	C#	Dominant
vi	D#m	Tonic relative
vii°	Fdim	Dominant

How to play

1Barre fret 4 with your index finger, from string 5 to string 1.
2Place your pinky on fret 6 of string 4.
3Place your middle finger on fret 6 of string 2.
4Don't play string 6.
5Strum from string 5 down.