In 1970 he co-founded the Institut de recherche Pantonal Inc .
From 1958 - 1962 Perrault held the post of music director of Les Grands Ballets Canadiens ; in 1965 the company performed his composition Suite Canadienne .
In 1970 Perrault co-founded the Institut de recherche Pantonal Inc .
From 1958 - 1962 Perrault held the post of music director of Les Grands Ballets Canadiens ; in 1965 the company performed his composition Suite Canadienne .