There were soooo many surprise visits at the 2013 Coachella Music & Arts Festival!! There was Tyler The Creator who shocked the audience during Earl Sweatshirt's performance. Legendary R&B Singer, R. Kelly slipped in during Phoenix's performance. Solange graced our presence during The xx performance, and here we have John Legend performing with Benny Benassi on the new dance track titled, "Dance the Pain Away" ! Words can't describe the state of euphoria that everyone felt while these two 'legends' performed this incredible song. Included…