10 songs from Leonard Bernstein’s classic musical arranged for solo instrumentalists: America • Cool • I Feel Pretty • I Have a Love • Jet Song • Maria • One Hand, One Heart • Something’s Coming • Somewhere • Tonight. The accompaniment audio tracks are accessed online using the unique code inside the 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.