André Gagnon (2 August 1936 – 3 December 2020) was a Canadian pianist, composer, conductor, arranger, and actor, known for his fusion of classical and pop styles, including compositions ''Neiges'', ''Smash'', ''Chevauchée'', ''Surprise'', ''Donna'', and ''Mouvements'' in the disco and pop fields. Gagnon also composed for television, including ''La Souris Verte'', ''Vivre en ce Pays'', ''Format 60'', ''Format 30'',''Techno-Flash'', and ''Les Forges de Saint-Maurice'' as well as for theatre with such productions as ''La Poudre aux Yeux'', ''Doña Rosita'', ''Terre d'Aube'', ''La Dame de Chez Maxim's'', and ''Wouf-Wouf''. Some of his most notable songs are "Pour les Amants", "Turluteries", and "Mes Quatre Saisons".
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