 As a scholarship student of the Académie de musique du Québec he was a student of Léo-Pol Morin and Claude Champagne in Montreal in 1930.He finished his training in 1933-34 in Paris with Albert Bertelin and Guy de Lioncourt and in 1935 at London's Royal College of Music with Ralph Vaughan Williams.Brassard was an organist from 1930 to 1970 at the Church of Saint-Dominique in Jonquière, (Quebec).