Collaborators


During the performances, Marie H. Sirois shares the stage with pianist Tristan Longval-Gagné.

Their art collective is called Eratomis.


Tristan Longval-Gagné

First Prize winner of the 2009 OSM Standard Life Competition and recipient of the prestigious Prix d’Europe, Canadian pianist Tristan Longval-Gagné studied at the Schulich School of Music of McGill University under the direction of Ms. Sara Laimon, before attending the Juilliard School of Music in New York under the tutelage of Julian Martin. Through numerous workshops at the Orford Arts Centre and the Meadowmount School of Music, he has benefited from the advice of masters such as André Laplante, Eric Larson, Jacques Rouvier and Richard Raymond.

He has performed in solo recitals at the Place des Arts, the OSM’s Maison Symphonique de Montréal, as well as in many other legendary venues in Quebec. As the winner of the 2017 Canadian Music Competition International Stepping Stone, he was a guest soloist with the Orchestre de la Francophonie. He has also been a guest soloist for the Orchestre symphonique de Drummondville and the Orchestre symphonique de Sherbrooke.