(Guitar). This book/audio pack teaches jazz rhythm guitar in swing & big band styles including: sample songs, patterns, progressions and exercises; essential chord voicings, inversions and substitutions; info on time and groove, reading charts, chord reduction and expansion; a chord reference library; and over 50 full-demo samples on the accompanying recordings. 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.