Eric Whitacre’s iTunes Festival performance is available to watch on iTunes for the next 30 days.  Joined on stage by his professional choir, the Eric Whitacre Singers, one of the most successful composers of all time, Hans Zimmer, Grammy award-winning soprano Hila Plitmann and astounding new talent, Marius Beck, the set included a world-premiere peformance of Lux Nova and marked the first public collaboration between Eric and Hans Zimmer following their world on Pirates of the Carribbean 4: On Stranger Tides.