Jean-Nicolas Trottier has been a very active figure on the Montréal jazz scene since 2000.In addition to regular freelance work, he has participated in various classical and jazz music projects with the Jean-Nicolas Trottier Quartet, Jean-Nicolas Trottier Trio, Opus Lib brass quintet, Public Transport Project, Montréal Dixie, Montréal Jazz Big Band, Joe Sullivan Big Band, ID jazz quintet, Bernard Primeau Jazz Ensemble, Trombones Actions, Vic Vogel's Jazz Big Band, Altsys Jazz Orchestra, Lorraine Desmarais Big Band and Alain Caron Big Band. He was also a member of McGill Jazz Orchestra I from 2001 to 2003.