During the 1960s Prévost taught at the Tanglewood Music Centre with fellow faculty members Aaron Copland, Zoltán Kodály, Gunther Schuller and Elliott Carter. In April 1967, accompanied by Michèle Lalonde, he performed the oratorio Terre des hommes at the Place des arts opening ceremonies of the Expo 67 world's fair in Montreal, attended by the official delegations of its participating countries, where they strongly projected French writer's Antoine de Saint-Exupéry 'idealist rhetoric'.Krôller, Eva-Marie. "Expo '67: Canada's Camelot?" Canadian Literature, Spring–Summer 1997, Issue 152–153, pp. 36–51. From the mid-1970s until his retirement in 1996, he was a professor of music at the Université de Montréal."Denis Gougeon: Happy is He Who ...". La Scena, by Réjean Beaucage / 1 September 2013Walter Pitman. Elmer Iseler: Choral Visionary. Dundurn; 28 July 2008. . p. 215–. Among his notable students were composers José Evangelista, Denis Gougeon, Anne Lauber, José Manuel Montañés, and Michel Longtin.scena.org "Irresistibly Infectious - André Prévost (1934–2001)". La Scena, Marie Trudel / 1 March 2001"André Prévost fonds". collectionscanada.gc.ca
