Complex sentence: At the end of the'80s, Carlton began writing film and television scores, while, in addition, he played guitar for Joe Cocker, Keb Mo, Jimmy Barnes, Eric Burdon, Mother's Finest, Simple Minds and numerous other bands.
Split into simpler sentences: At the end of the'80s, Carlton began writing film and television scores. In addition, he played guitar for Joe Cocker, Keb Mo, Jimmy Barnes, Eric Burdon, Mother's Finest, Simple Minds and numerous other bands.