Lollapalooza 2015 had all the elements that make for a memorable music festival: Legends doing what they do best (Paul McCartney, Metallica), headliners moving the crowd with the emotion of the moment (Florence + the Machine), inspired sets from rising stars (Tame Impala), and surprise collabs (Alabama Shakes’ Brittany Howard duetting with Sir Paul, Halsey and Twenty One Pilots' Josh Dun performing together). 

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Even the Chicago weather managed to get on the bill with a brief evacuation on Sunday afternoon. There were many different ways to enjoy it all, but these were nine of the best performances Lolla had to offer.