Master Power Chords. Power chords are the at the heart of every rock song, but they don't stop there. They are used in nearly every genre of popular music. Not only that, but learning power chords helps prepare you for more advanced chords like barre chords and moveable shapes, by strengthening your fingers and getting you acquainted with the location of their root notes. It's Unique Guitar Chord Master: Power Chords is your guide for mastering all...