(Pro Vocal). Whether you're a karaoke singer or preparing for an audition, the Pro Vocal series is for you. The book contains the lyrics, melody & chord symbols for eight hits. The CD contains demos for listening and separate backing tracks so you can sing along. The CD is also enhanced so Mac and PC users can adjust the recording to any pitch without changing the tempo Perfect for home rehearsal, parties, auditions, corporate events, and gigs without a backup band. 8 of the King's finest: A Big Hunk O' Love * Don't * Heartbreak Hotel * His Latest Flame * I Need Your Love Tonight * It's Now or Never * Jailhouse Rock * Suspicious Minds.