At the same time , he joined the conservatory 's faculty .
In 1945 , Dolin began graduate studies in music composition under John Weinzweig at the Toronto Conservatory of Music ( now The Royal Conservatory of Music ) .
At the same time , Dolin joined the conservatory 's faculty .
In 1945 , Dolin began graduate studies in music composition under John Weinzweig at the Toronto Conservatory of Music ( now The Royal Conservatory of Music ) .