He made his conducting debut in the première of the mass by Alain Pierard at the Basilique Notre-Dame de Montréal in 1985. The following year he founded the period orchestra Les Nations de Montréal, which he directed in 1987 in the 20th-century premiere of the opera "Amadis de Gaule" for the tricentenary of Lully with soloists and choir of the Atélier de l'Opéra de l'Université Laval.The concert was broadcast 'live' by Radio Canada and subsequently by Radio France and Swiss Radio. He directed his orchestra in programmes of 18th Century music for a public of 5000 in the prestigious Concerts Populaire d'Été de la Ville de Montréal.[3 He made his American conducting debut with the Portland Baroque Orchestra and Choir in performances of Handel's "Messiah" in 1990.