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.