The following year, he joined the musical spectacle Les fous du rock'n'roll, in which he has performed forty times.

In 1992, he released his first self-titled album in October and played the role of James Dean in the rock opera La Légende de Jimmy, by Luc Plamondon and Michel Berger in November.

During this period, Pelletier worked with the prestigious Montreal Symphony Orchestra for the series Les Week-ends pop de l'OSM.

He united with the orchestra a second time in December 2002 to present a Christmas series, recorded as the album Concert de Noël.

In 2011, Pelletier played the role of Napoléon in Michel Rivard's musical, Les Filles de Caleb.

In 2022 he reprised his best known role of the poet Gringoire in the French tour of Notre-Dame de Paris in Canada, reuniting alongside Daniel Lavoie as Frollo.