Guitar Educational. Focuses on developing rhythm playing chops via 21 progressive lessons covering a variety of blues styles and techniques, including basic theory and blues rhythms major and minor blues 8th, 16th and triplet rhythms extensions passing chords and chord fragments lead-rhythm style funky blues jump blues blues rock and more. The book features standard notation and tab, and the audio includes 42 full-band tracks. The audio is accessed online using the unique code inside each book and can be streamed or downloaded. The audio files include PLAYBACK, a multi-functional audio player that allows you to slow down audio without changing pitch, set loop points, change keys, and pan left or right.