(Berklee Labs). Even if you're a complete beginner, this easy-to-understand instructional guide will get you improvising in no time! Learn to improvise in jazz, Latin, fusion, blues and rock styles in all keys with step-by-step instruction, practice tips and play-along tracks. You'll also develop essential reading, technique, rhythmic syncopation, performance and composing skills. The tracks can be 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.