An associate of the Canadian Music Centre, he was appointed a Knight of the National Order of Quebec in 1991.

He contributed articles to numerous (little known) periodicals and journals, including L'Action universitaire,[7] Amérique francaise,[8] Culture vivante, Gants du ciel,[9] Liberté[10], Maclean, Musical America, Relations, and Vie musicale.

He also worked as the program annotator for the Montreal Symphony Orchestra for many years appeared numerous times as a host for the French-language version of the Metropolitan Opera radio broadcasts.

[4] In 1942 Vallerand was appointed Secretary General of the newly formed Conservatoire de musique du Québec à Montréal (CMQM) by Wilfrid Pelletier.

From 1963 to 1956 he served as the head of the Montreal branch of CBC Radio and from 1966 to 1970 he was the Quebec Government's cultural attaché in Paris.