 Mark akatamira kuNew Zealand pakati pe1980s, uye akabudisa huwandu hwekubudirira kwehuwandu hwemimhanzi yeAmbient pane yake White Cloud record label, pamwe nekubatana nevamwe vanyori pane tsika dzeCeltic uye zvinyorwa zvevanhu uye kugadzira vamwe vanyori. Kubudiswa kweTibetan Monk nziyo Mark akarekodha uye akagadzira nemukadzi wake Thelma Burchell akahwina mubairo weGrammy muna 2004. 