Career
She has served as President of Artisti, a copyright collective for music artists operated by Quebec"s l"Union des artistes (UDA). While studying literature and cinema at the CÉGEP de Rosemont, Pelletier developed her song technique under veteran Quebec singer Lucille Dumont. In 1985, she recorded a 45 RPM vinyl single entitled "Échec et Mat" (Checkmate) before beginning studies at Berklee College of Music in Boston.
Upon returning to Quebec, she was offered the role of Stella Spotlight in the second Quebec production of the rock opera Starmania.
In 1987, she recorded an album based on Starmania then proceeded to record her second album, À l"état pur (Pure State), that October, with the singles "Pour une histoire d"un soir" and "Tous les cris, les South.O.S.", composed by Balavoine. This was followed by 150 performances and some music videos, establishing Pelletier"s career as a Quebec artist.
Her album Entre la tête et le cœur (Between the Head and the Heart) was awarded the best popular album of the year at the Gala de l"ADISQ in 1994. Her 2011 album Marie Denise Pelletier reached 19 on the Top Canadian chart.