14 songs for solo instruments, complete with play-along audio accompaniments. Includes: Bernie's Tune; Cry Me a River; Fever; Fly Me to the Moon; God Bless' the Child; Harlem Nocturne; Moonglow; A Night in Tunisia; One Note Samba; Opus One; Satin Doll; Slightly Out of Tune (Desafinado); Take the "A" Train; Yardbird Suite. 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.