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.

Applying arpeggios to guitar solos and fills
Play chord progressions by position