Jimi Hendrix playing the guitar on stage Marjut Valakivi / Public domain
Guitar player playing guitar chords by number
Guitar laying with guitar chord key chart in messenger bag

Guitar Chord Key Chart

Below is a guitar chord key chart the major and minor keys. A chord key chart outlines the diatonic chords, or the chords that naturally occur in a given key. Chord charts are useful when trying to figure out the key of a song.

John Frusciante of Red Hot Chili Peppers playing guitar Flickr photographer Chad Carson [CC BY-SA 2.0], via Wikimedia Commons
Man playing guitar chords

Chord Functions in the Major Keys

Chords within a given key have a function, or role they play within the key. Understanding these chord functions can help you understand why some chord progressions sound good while others sound not so good.