ODESZA, Macklemore, TWENTY ØNE PILØTS, Lenny Kravitz, and Post Malone Set to Perform In All Three Countries Dozens of international acts have been announced for the 2019 Lollapalooza South America run taking place in Argentina, Chile and Brazil. 2019 will mark first time South American performances by Kendrick Lamar, Post Malone, Macklemore, Greta Van Fleet, Years & Years, Zhu, Troye Sivan, Rüfüs Du Sol, Jorja Smith, Lany, Parcels and Clairo, while Sam Smith will make his debut appearances in Chile and Argentina. Lollapalooza Argentina 2019 lineup. Photo provided. Lollapalooza Chile 2019 lineup. Photo provided. The ninth