(Guitar Play-Along). The Guitar Play-Along Series will help you play your favorite songs quickly and easily! Just follow the tab, listen to the included audio to hear how the guitar should sound, then play along using the separate backing tracks. The melody and lyrics are included in the book. Includes seven Sabbath hits: Black Sabbath * Children of the Grave * N.I.B. * Paranoid * Sabbath, Bloody Sabbath * Sweet Leaf * War Pigs (Interpolating Luke''s Wall). The accompanying audio is accessed through Hal Leonard''s popular MyLibrary system using the provided code. The audio can be streamed or downloaded and includes 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.