Mark Stewart (born Mark Molesey) is a British musician and founding member of The Pop Group.[1] A pioneer of industrial hip-hop, he has recorded for On-U Sound Records and Mute Records. Stewart started out in Bristol in 1978 in music with The Pop Group, a band whose songtitles (such as "For How Much Longer Do We Tolerate Mass Murder?"), political conviction, disrespect for copyright and willingness to collaborate laid the foundations for his later work.