Basic Guitar Chord Charts

All guitar players are invited to these basic guitar chord charts. I provide free printable charts on each page of this library...right click on diagram and select 'Print Picture...'

C7 Guitar Chord

Alternative Names: C7, Gm6/C or Gm6add11

Music Theory

How do you construct a C7, or any 7th chord? Start with the three notes of any type of triad (major, minor, diminished, augmented). The root, the 3rd, and the 5th (1 3 5). Now add a minor seventh interval from the root, you will have the C seventh.

Your basic C chord consists of C, E, and G. If you add a minor seventh to a C (the minor seventh of C is Bb), you have a C7 chord. The C seventh (C7) follows this formula: 1 3 5 b7. This is not to be confused with the C Major 7 (CM7) whose formula is 1 3 5 7.

The C7, or dominant seventh, has a slightly dissonant, harder-edged, bluesy, funky sound.

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