The fifth annual Calgary Metalfest will be bringing Annihilator, Exciter, Razor + Sacrifice, the 'Fathers of Canadian Thrash,' together on the same bill.
For all intents and purposes, thrash metal is celebrating its 30th anniversary in 2013. Yes, as nebulous as rock 'n' roll history can be when it comes to dating broad-ranging musical developments, we can confidently point to 1983 as the year when sporadic 'speed metal' displays coalesced into the true definition of thrash metal. Unt...