We recently interviewed the incredible designers at Moment Factory, who have produced tours for Jay-Z, Arcade Fire, Madonna, M.I.A, A-Trak, and more. They're working on a new sound and light show for the façade of the Sagrada Familia in Barcelona, and from the video, it looks like it'll be out of this world. If you're in Barcelona, check it out on September 21, 22, and 23.