Rock Discipline is an awesome epic DVD on the art of the modern rock guitar . After a valuable segment on warming up, John Petrucci covers developing s peed and accuracy, chromatic exercises, playing with dynamics, connecting s cale fragments to form long solo lines, and much, much more. DVD special fe atures include: backstage with John, G3 tour footage, hilarious bloopers on the set, interactive tour of John's Ernie Ball guitar, tuning segment, Dre am Theater discography, additional product previews, printable lessons, and Internet connectivity.
