Performer Level (correlates with Book 1, p. 24) Even players in their first few months can play the biggest pop hit from the blockbuster film Titanic. The price of this book includes a unique code that provides access to audiotracks 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 - availableexclusively from Hal Leonard.