Complex sentence: They also co-performed the soundtrack for "Crash Tag Team Racing", and have a self-titled album featuring covers of songs by the Beatles, Sheryl Crow, Michael Jackson, and Soundgarden, which was released in 1999.
Split into simpler sentences: They also co-performed the soundtrack for "Crash Tag Team Racing". And have a self-titled album featuring covers of songs by The Beatles, Sheryl Crow, Michael Jackson, & Soundgarden which was released in 1999.