Lana Del Rey, Vampire Weekend, Gwen Stefani, and Cage the Elephant also set to play festivals in Chile, Argentina, and Brasil.
Festivals in Chile, Argentina, and Brasil are scheduled for next spring.
Kendrick Lamar, Arctic Monkeys, Post Malone, Greta Van Fleet, St. Vincent, and many more are heading to South America this spring.
The surprise collaboration took place during Lollapalooza Brasil on Saturday night.
Pearl Jam, Red Hot Chili Peppers, The Killers, Chance the Rapper, LCD Soundsystem, Lana Del Rey, David Byrne, and many more.
Metallica, The Strokes, The Weeknd, The xx, Flume, Cage the Elephant, Tegan and Sara, and more.
Lineups for Chile, Argentina, and Brazil events to be revealed in October.
Eminem, Florence and the Machine, Mumford and Sons, Tame Impala, and more to play events in Chile, Argentina, and Brazil.
Jack White, Robert Plant, Smashing Pumpkins, St. Vincent, and more highlight lineups for Lollapalooza Chile, Argentina, and Brazil.
Lollapalooza will hold festivals in Brazil, Argentina, and Chile in March of 2015.
18-date run kicks off in February.
MGMT, TV on the Radio, and Foster the People, too.