Well-known for his lush playing skills, his sophisticated registrations and the originiality of his musical choices, Denis Gagné is without a doubt one of the most sought-after Quebec organists of his generation. 

He studied organ music with Jean LeBuis, Yves-G. Préfontaine and Hélène Panneton, in addition to perfect in the French baroque repertoire with the conductor Hervé Niquet.  The McAbbie Foundation offered Denis a grant for the excellence of his organ studies at the Montreal Conservatory of Music.

Denis Gagné is regularly invited to play the organ by several musical societies and this has allowed to perform on major organs in Quebec, Ontario and New-Brunswick.   During the  summer of 2013, Denis travelled to France where he played the organ at the church of St-Nicolas-du-Chardonnet in Paris, at the Cathedral St-Maurice in Angers as well as the Church of the Madeleine of Verneuil-sur-Avre during the 5th Festival Franco-Québecois in that city. 

In his role as accompanist, Denis Gagné has collaborated with renowned choirs such as Les Petits Chanteurs du Mont-Royal, Les Petits Chanteurs de Laval, La Maîtrise des Petits Chanteurs de Québec, Le Grand Choeur de Montréal.  With the Montréal Opéra, he played the organ during the opera Faust by Charles Gounod with the Orchestre Métropolitain under the direction of Emmanuel Plasson. 

Quite involved in liturgical music, Denis Gagné has occupied for 12 years the post of organist and musical director at the Sanctuaire Saint-Sacrement de Montréal.  Now he is the resident organist at the Saint-Vincent-de-Paul Church in Laval and is the co-titular organist at the Italien parish of Notre-Dame-du-Mont-Carmel in Montreal.  From 2005 to 2011, he was a member of the Board of Directors of the Amis de l’orgue of Montreal where he held successively the positions of director and vice-president.

In recent years he has dedicated himself to the dissemination of Canadian music abroad.