(Photo by Levent Kulu/Getty Images for Guess) J Balvin headlining el festival de Lollapalooza es solo otro ejemplo that the world of music festivals is evolving. En los 28 años de Lollapalooza, J Balvin será the first Latino headliner in history. Lollapalooza se llevó a cabo August 1-4 and has had Latino artists perform before…