Guitar Chord Keys

A chord key is a musical term for a group of chords based on the notes from a major or minor scale.

The chords in each key are like a family of chords that will sound like they belong together when played in a chord progression.

A chord progression is a pattern of chords, belonging in the same chord key, played in a certain order to form songs. A popular guitar chord progression is the I - IV - V progression.

Major and minor chord keys use a formula of major chords, minor chords, and a diminished chord.

Guitar Chords in the Key of C Major:

A major key consists of the following chords based on the scale notes: Major, minor, minor, Major, Major, minor, diminished

Learn more about keys and what guitar chords are used in them in the sections listed below.