C7 Chord
Chord Diagram
X = Don't play this string
O = Play open string
Numbers = Finger placement
Finger Positions
1st Finger (Index)
1st fret of the B string (2nd string)
2nd Finger (Middle)
2nd fret of the D string (4th string)
3rd Finger (Ring)
3rd fret of the A string (5th string) and G string (3rd string)
Pro Tip: The C7 chord adds a bluesy, jazzy sound compared to the regular C major. The 7th (Bb note) creates tension that wants to resolve.
Understanding the C7 Chord
The C7 chord is a dominant seventh chord built from the C major triad (C-E-G) with an added minor seventh interval (Bb). This creates a chord with a distinctive sound that's essential in blues, jazz, and many popular music styles.
Chord Tones
- • Root: C
- • Major 3rd: E
- • Perfect 5th: G
- • Minor 7th: Bb
Musical Function
- • Creates tension that resolves to F major
- • Essential in 12-bar blues progressions
- • Common in jazz ii-V-I progressions
- • Adds sophistication to simple chord progressions
C7 Chord Variations
C7 (Open)
Basic open position
x32310
C7 (Barre)
8th fret barre
8-10-8-9-8-8
C7sus4
Suspended fourth
x33310
Common Progressions with C7
C7 - F
Classic dominant to tonic resolution
C - C7 - F - Fm
Jazz progression with chromatic movement
C7 - F7 - C7 - G7
12-bar blues in C (first 4 bars)
Practice Tips for C7 Chord
Common Mistakes
- • Not barring the 3rd fret properly
- • Playing the low E string (6th string)
- • Muting the high E string accidentally
- • Not pressing firmly on the 3rd fret barre
Practice Exercises
- • Practice C to C7 transitions
- • Try C7 to F major resolution
- • Practice 12-bar blues pattern
- • Work on jazz chord progressions
Popular Songs Using C7 Chord
Blue Moon
Various Artists
All of Me
Billie Holiday
Sweet Home Chicago
Robert Johnson
Stormy Monday
T-Bone Walker
Georgia on My Mind
Ray Charles
Route 66
Nat King Cole