Chord Theory What is a Chord? Intervals Start Triads Start 7th Chords Start Other Chords Start What is a Key? Basic Key Structure Start Relative Minor Start Intro to Minor Keys Start Circle of 5ths Start Mapping the Fretboard Fretboard Triangles Start The A String Triangle Start Bar Chords for Navigation Start The Missing Chord Start Guitar Friendly Keys Open Keys: C, G, and D Start Using a Capo Start More Open Keys: A, E, Dm Start Mapping a Song What is the Meter? Start What Note is Home? Start Major or Minor? Start Map the Key Start The Lead Sheet Start