Four Lessons: Warm-Up Exercises Alternate Picking Scales Sequences and Legato Technique.A first of its kind the At a Glance series pairs an instructional DVD lesson taught by a professional guitarist with a supplemental book for a comprehensive learning experience. Each book/DVD features several lessons pertaining to one topic and the DVD lessons feature on-screen music. The lessons are loaded with valuable tips and information and song examples help to demonstrate the concepts in action.