There are multiple artists with this name: 1) SPK were an Australian industrial music and noise music group formed in 1978. They were fronted by mainstay member, Graeme Revell on keyboards and percussion. In 1980 the group travelled to the United Kingdom where they issued their debut album, Information Overload Unit. In 1983 Sinan Leong joined on lead vocals. The group disbanded in 1988, two years later Revell and Leong relocated to the United States, where Revell has worked as a Hollywood film score composer.

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