(Guitar Educational). The term "12-bar blues" has become synonymous with blues music and is the basis for an incredible body of jazz, rock ''n'' roll, and other forms of popular music. This book/2-CD/DVD package is solely devoted to providing you with all the technical tools necessary for playing 12-bar blues with authority. You''ll learn blues styles like Chicago, minor, slow, bebop, and more, while focusing on boogie, shuffle, swing, riff, and jazzy blues progressions. 49 full-band tracks are included on the accompanying CDs, and the DVD includes a complete one-hour course!