Add Yahoo as a preferred source to see more of our stories on Google. Alan Walker will headline Sphere Las Vegas on Sept. 20 as part of Insomniac and Tomorrowland’s collaborative show, UNITY. The show ...

When DJ Alan Walker plays live, he conceals his face. "It's to create unity – we can achieve amazing things," he says. "Just put on a mask and you become a Walker." Read more: Albums are dying. Singer ...