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|Genre||heavy metal, hard rock|
|Dates||August 11-12, 2012|
Toronto, Ontario, Canada
Heavy T.O. was officially announced on March 21, 2011. On March 22, 2013 it was announced by Heavy MTL that there would be no Heavy TO festival in 2013.
Heavy MTL is a two-day heavy metal and hard rock festival in Montreal, Quebec, at Parc Jean-Drapeau on Île Sainte-Hélène held in the summer. The 2008 edition attracted a crowd of around 36,000 people.
Artists who played at the inaugural Heavy MTL festival include: Iron Maiden, Mötley Crüe, Disturbed, Mastodon, Symphony X, Lamb of God, 3 Inches of Blood and many more. Slayer played at the second edition of the festival, not the inaugural.