This Icelandic folk-rock quartet is also inspired by the blues, as evidenced by their hit single, “Way Down We Go.” The band’s show at the Whitewater Center a few months back was canceled, so this will be their Charlotte premiere. Be sure to get their early for the stunning songcrafting of Bishop Briggs. Her album hasn’t been released yet, but the strength of her first singles has gotten her opening slots on the summer’s hottest tours.