 He founded the New York Handel Opera Society and appeared frequently at the Mostly Mozart concerts there as well as for seven years at the Aspen Music Festival and seven at the Grant Park, Chicago, Festival.He recorded for RCA and Westminster Records, including the first complete operas of Handel for the latter.As an academic he was Dean of the Faculty of Music and Professor at the University of Cape Town (1980–1986) and Artist-in-residence at the University of Kansas (1992–2002) and for three years was Music Director of the National Youth Orchestra of Canada (1967–1969).