Learn to Play Rock-Solid Rhythm and Expand Your Chord Vocabulary. This 12-pack of lessons from Acoustic Guitar magazine offers all sorts of ways to improve rhythm playing. Learn the fundamentals, then discover new chord positions, bass lines, muting techniques, syncopated strums and more. Features exercises, licks and full songs to play in notes, tab and chord diagrams, with all songs and examples on CD. ©2009, Book & CD, 72 pages.