Slayer and Megadeth two of the bands that defined the thrash/metal genre —will perform together for the first time in more than 15 years when they co-headline four shows in Canada in late June.

The tour, dubbed 'Canadian Carnage', will also feature Machine Head and Suicide Silence, and will see MEGADETH and SLAYER each closing two of the four shows. Tickets will go on sale Saturday, May 2.

In the states, Slayer will co-headline with Marilyn Manson on the five-week 'Mayhem Festival', set to kick off July 10 in Sacramento, California