(Pro Vocal). Whether you're a karaoke singer or preparing for an audition, the Pro Vocal series is for you. Each edition contains the lyrics, melody, and chord symbols for eight hit songs. The audio includes demos for listening and separate backing tracks so you can sing along. Perfect for home rehearsal, parties, auditions, corporate events, and gigs without a backup band. This volume includes 8 classic hits: Can't Buy Me Love * Come Together * A Hard Day's Night * Help! * I Want to Hold Your Hand * In My Life * When I'm Sixty-Four * Yesterday.