He was commissioned to write works by Robert Aitken, Liona Boyd, Paul Brodie, the Canadian Broadcasting Corporation, Erica Goodman, Joseph Macerollo, the Harbord Bakery, the New Chamber Orchestra of Canada, the Ontario Federation of Symphony Orchestras, John Perrone, and Trio Lyra among others.
He also spent summers during the 1950s studying at the Chigiana School in Siena, Italy and the Tanglewood Music Center in Lenox, Massachusetts.
He notably founded the Toronto Repertory Ensemble (TRE) in 1964, a group which commissioned and performed contemporary Canadian music under his leadership through 1973.
He also conducted and composed music for the Toronto Dance Theatre from 1968 to 1973 and periodically did similar work for the St. Lawrence Centre for the Arts during the 1960s and 1970s.
His last complete composition, Songs of Arrival, premiered at the Historic Old Toronto Summer Music Festival 2000.