Iron Maiden and Motley Crue will co-headline Heavy MTL, which will also feature Anthrax, Hatebreed, Mastodon and others. Tickets will cost $75 per day or $135 for two days. Sat. June 21 * Iron Maiden * Symphony X * 3 Inches Of Blood * Overkill * Unexpect * Mastodon * Hatebreed * Type O Negative * Hammerfall * Deathclock/Metalocolypse Sun. June 22: * Motley Crue * Anthrax * Priestess * Shadows Fall * Three Days Grace * Drowning Pool Tickets on sale Saturday April 19 at noon