This unique collection features 12 songs with cool play-along tracks for solo instrumentalists from the legendary hard-hitting band: The Day That Never Comes · Enter Sandman · Fade to Black · Harvester of Sorrow · Nothing Else Matters · One · Sad but True · Seek & Destroy · The Thing That Should Not Be · The Unforgiven · Until It Sleeps · Welcome Home (Sanitarium). 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.