Once Guitar Players Learn the Basics, They Need to Take the Next Step in Their Musical Education. Scales Are the Musical Grammar They're Looking For.Having a Library of Scales Helps Guitar Players to Create Original Music, Especially Guitar Solos. the More Readers Know About Scales, the More Interesting Their Melodies Become.This Book Features Thousands of Scale Shapes; Scales for Every Style of Music; And, the Basic Theory Behind the Scales and Tips on How to Use Them.