Lollapalooza has just revealed the full 2015 lineup for its July 31 through Aug. 2nd takeover of Chicago’s Grant Park. Headlined this year by Paul McCartney, Metallica and Florence + the Machine. Lollapalooza will also be bringing some of the biggest names in EDM as well as some of the biggest names in the music industry. Some of those names include, Kaskade, Alesso, Bassnectar, Nicky Romero, Kygo, Nero, Dillon Francis and so many more. 3-day GA tickets are sold out. Single day tickets are on sale today at 10:00am.