He has written more than 500 hit songs, and has had a significant impact on the careers of a number of singing stars, among them Céline Dion, Diane Dufresne, Ginette Reno, Julien Clerc, and Fabienne Thibault.
Il a écrit plus de 500 chansons à succès et contribué de façon significative à la carrière de plusieurs vedettes, tels Céline Dion, Diane Dufresne, Ginette Reno, Julien Clerc et Fabienne Thibault.
