Mackenzie Theory

Australian prog rock/jazz rock group active from 9/1971-5/1974. ● Rob MacKenzie – guitar (9/1971–5/1974, ex-Leo & Friends, King Harvest (2), Great Men) ● Cleis Pearce – electric viola (9/1971–5/1974) ● Peter Jones (6) – piano (9/1973–5/1974) ● Mike Leadabrand – bass guitar (9/1971–9/1973) ● Paul Wheeler (3) – bass (9/1973–5/1974) ● Andy Majewski – drums (1971–9/1973) ● Greg Sheehan – drums (9/1973–5/1974)