(Faber Piano Adventures ). Designed for students of all ages who have had no previous experience improvising, this primer lays the foundation for composition and improvisation using the simplest possible exercises in imaginative settings. Features solo and duet improvisations, written assignments, theory review, and teacher accompaniments. Background accompaniment tracks are included for play-along. Level 2B. The price of this book includes a unique code that provides access to audio tracks online, for download or streaming. The tracks 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 available exclusively from Hal Leonard.