Progressive powerhouses, and more recently referred to as a dynamic touring duo, Sweden’s Opeth and Georgia’s Mastodon made their return to Edmonton on Thursday night, gracing the Edmonton Expo Centre with their heavy melodies. Kicking off the night with Khemmis, the Colorado metallers warmed up the crowd sufficiently as the precursor to what was about to take place; presenting a healthy dose of doom to those gathered on the floor below. Mastodon took to the stage aggressively. Kicking off their set with “Pain With an Anchor” and immediately hammering into “Crystal Skull” and “The Megalodon” soon after, resulting in heavy headbanging from the front row. Showcasing a colourful light show complete with lasers and strobes, Mastodon crushed their 14-song co-headlining set consisting of a nice ...