Complex sentence: SPK, formed in 1978 in Sydney, Australia, was a 1980s and early 1990s industrial music and noise music act featuring Graeme Revell, who would later go on to become a successful Hollywood movie composer.
Split into simpler sentences: SPK, formed in 1978 in Sydney, Australia, was a 1980s and early 1990s industrial music and noise music act. One member, Graeme Revell, would later go on to become a successful Hollywood movie composer.