Career
Plamondon has written for many artists, notably the Québécois singers Bruno Pelletier, Diane Dufresne, Robert Charlebois, Céline Dion, Ginette Reno, Fabienne Thibeault, Martine Saint Clair, and Garou, as well as the French singers Julien Clerc, Nicole Croisille and Johnny Hallyday. He is the co-author of a number of musicals. The two most successful are Starmania (music composed by Michel Berger) and Notre-Dame de Paris (music composed by Riccardo Cocciante).
Also of note is Cindy: Cendrillon 2000.
He was inspired to write a hymn in Huguette Gaulin Bergeron’s honour, after her self-immolation. The hymn, entitled "Hymne à la beauté du monde", has since been sung by numerous famous French-Canadian artists such as Diane Dufresne, Isabelle Boulay, Garou, and Éric Lapointe.
Plamondon has accepted honours from Canadian institutions and is also known as a francophone nationalist and Quebec sovereigntist. He is opposed to Internet music piracy.
He used his acceptance speech for a 1983 Félix Award to denounce copyright law.