Today Apple has announced that they have added The Weeknd to their group of artist to take the stage at their annual music festival in London. Other artist involved include Pharrell, The Chemical Brothers, Disclosure, Florence+ The Machine, One Direction and much more. This is a huge event that spans ten days at the end of September with one artist per night at Roundhouse. All the artist picked to perform a night are known to bring out surprise and special guest to join them on stage so things can get pretty interesting.