 Campbell has performed as a freelance professional musician for most of his life, playing timpani, percussion and drums.He started studying aged 9, gave his professional debut aged 11 and by age 21 had played in The Royal Albert Hall, Royal Festival Hall, The Marquee Club and BBC Maida Vale Studios.He now freelances part-time as a timpanist with Northern Sinfonia and other professional orchestras and plays jazz and rock drums for pleasure.