(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 audio to hear how the bass should sound, and then play along using the separate backing tracks. The melody and lyrics are included in case you want to sing, or to simply help you follow along. This edition includes: Children of the Grave * Iron Man * N.I.B. * Paranoid * Sabbath, Bloody Sabbath * Sweet Leaf * War Pigs (Interpolating Luke's Wall).