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This was another Lollapalooza for the history books. The four-day music takeover of Grant Park in Chicago saw one of the most stacked lineups in recent history, from tributes to musical legends of yore (Cage the Elephant paying tribute to Ozzy Osbourne, Sabrina Carpenter wowing fans with a surprise appearance from Earth, Wind & Fire), to women and international artists absolutely dominating with crowds in the tens of thousands (Twice’s KPop Demon Hunters -themed drone show, anyone?).

But if you’re not bumping through crowds to the beat and sweating it out on the lawns, have you ever wondered what’s really going down on the ground? Bel

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