Working mainly as a freelance musician, Dominic Léveillé has accompanied big names such as Aretha Franklin, Frank Sinatra Jr., The Muppet Show, Don Rickles, Forever Gentlemen, Cee Lo Green, Vic Vogel, Colin James, Jamie Cullum, Claude Dubois, Gregory Charles, Éric Lapointe, Marc Hervieux, Nadja, Ima, Susie Arioli, La Bottine Souriante, M (Matthieu Chedid), Alex Nevsky, Elvis Story, Vénus3, Pink Martini, Chris Botti, Les Gitans de Sarajevo, Bob Walsh, Dj Champion, Nikki Yanofsky, Tricot Machine, and Daniel Boucher.
He has also participated in the last 17 editions of the Festival International de Jazz de Montréal and appeared in the Gala des prix Gémeaux, Le grand blond avec un Show surnois,Palmarès, En route vers l’ADISQ, L’enfer, c’est nous autres, Chabada, L’Écuyer, En direct de l’univers…, La Voix, Les enfants de la télé programs, as well as numerous telethons.