(Bass Play-Along). The Bass Play-Along series will help you play your favorite songs quickly and easily! Just follow the tab, listen to the CD to hear how the bass should sound, and then play along using the separate backing tracks. The melody and lyrics are included in the book in case you want to sing, or to simply help you follow along. The audio CD is playable on any CD player, and also enhanced so PC & Mac users can adjust the recording to any tempo without changing pitch! Includes 8 songs: Before I Forget * Duality * The Heretic Anthem * Left Behind * My Plague * Spit It Out * Vermilion * Wait and Bleed.