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(Clockwise from top left) Paul McCartney, Metallica, Florence + The Machine, and Sam Smith are among the top acts for Lollapalooza 2015. (Credit: Theo Wargo/Leon Neal/AFP/Buda Mendes/Getty Images)

McCartney, Metallica, Sam Smith, Florence + The Machine Headlining Lollapalooza

Paul McCartney, Metallica and Sam Smith will be among 130 acts at this year’s Lollapalooza music festival in Chicago. Lollapalooza founder Perry Farrell said Florence + the Machine, Bassnectar and The Weeknd are also on the lineup.

03/25/2015