A comprehensive source for learning rhythm guitar in a variety of musical styles. It covers: open chords, barre chords, and other movable shapes; strumming, fingerstyle, flatpicking and arpeggiation; common progressions and basic chord theory; triads, sixth, seventh, ninth, and many other chords; and much more, with standard notation and tab. The cost of the book includes access to 85 online audio tracks for streaming or download. The audio files include PLAYBACK+ functions including tempo adjustment and looping features to aid with practice.