Twitter is blowing up on #Coachella2015 hashtag, thanks to the opening of advanced ticket sales for Coachella 2015 music festival. The insanely popular two weekend music festival will be held April 10, 11, 12, 2015, and April 17, 18, 19, 2015.  As usual, Coachella 2015 will be held in Indio, California at the Empire Polo Club.