(Guitar Educational). The term 12-bar blues has become synymous with blues music and is the basis for an incredible body of jazz, rock 'n' roll, and other forms of popular music. This book/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, mir, slow, bebop, and more, while focusing on boogie, shuffle, swing, riff, and jazzy blues progressions. 49 full-band tracks are included on the accompanying CD, and the DVD includes a complete one-hour course!