Dupéré is best known as the composer and arranger of music for contemporary circus productions by the Canadian entertainment company Cirque du Soleil.
[3] His work outside of Cirque du Soleil has included writing music for various TV and film productions (see Filmography below).
In 1997, he wrote part of the music for the ceremony marking the handover of Hong Kong to China.
A modified version of a song entitled "Earth" from the Xotica soundtrack was used as the backing track for the 2003 short film Oïo by Simon Goulet.
[4] In June 2005, René Dupéré received an honorary doctorate in music from his alma mater, Université Laval de Québec.