Annual music fest features mainstage performances by Corb Lund, Larkin Poe, Le Vent du Nord, and Midnight Shine (Fri); the Sam Roberts Band, Basia Bulat, Dwayne Dopsie & the Zydeco Hellraiser, and Front Country (Sat); and the Hamiltones, Rebirth Brass Band, David Hidalgo & Steve Dawson, and Tsatsu Stalqayu (Sun).