Canadian DJ, producer and dance phenomenon Joel Zimmerman – who takes the stage as Deadmau5 – crafts exhilarating electro house music with an experimental bent. His 2014 full-length release, While(1<2), brings together a barrage of floor-filling anthems and moody minor-key atmospherics. Friend Within and Kate Simko & London Electronic Orchestra support. We've got some good news. Whether you missed out on tickets or went along and wanna relive the night, you can watch this performance live or on-demand. Check it out on iPhone, iPad or iPod touch, iTunes on your computer or in stunning HD with Apple TV. Visit www.itunes.com/festival for more information. Join the conversation using #itunesfestival.