The Orchestre Métropolitain (OM) is a symphony orchestra in Montréal, Québec, formed in 1981. It performs primarily in the Montreal Symphony House at Place des Arts but also at Salle Wilfrid-Pelletier and Théâtre Maisonneuve. Outside the city centre the OM plays in Saint-Laurent, Outremont, Hochelaga-Maisonneuve, Rivière-des-Prairies–Pointe-aux-Trembles, Saint-Léonard, Verdun, Ahuntsic, Pierrefonds-Roxboro and Pointe-Claire. en