Lisle Ellis, is a Canadian jazz bassist and composer who is known for his improvisational style and use of electronics.

Paul Horace Plimley was a free jazz pianist and vibraphonist. He was one of the doyens of the Canadian jazz avant-garde, a co-founder of the New Orchestra Workshop Society and frequent collaborator with the bassist Lisle Ellis. He was well-versed in classical music and in all styles of jazz; he was one of the first and most convincing interpreters of Ornette Coleman's music on the piano.