John Babbage studied saxophone at the Queensland Conservatorium of Music graduating with a Diploma in Jazz in 1987. He has worked extensively around Australia with various groups including the Queensland Orchestra, Tony Hobbs Big Band Theory, The Nasty Saxophone Quartet with Dale Barlow, and Big City (with whom he released an album of his own music). He has been a member of Topology since 1996 and during this time has toured to the USA, Canada and Indonesia, working with many composers including Terry Riley, Michael Nyman, Tim Brady and Jeremy Peyton-Jones.