The site Brazilian site of Last fm annoncied the probably headliners of rock in rio 2011
First Day
AC/DC, Linkin Park, Foo Figthres, Coldplay, Paul Mccartney, Radiohead e Muse .
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Second Day
Avril Lavigne, Paramore, Bon Jovi, Blink-182 e Shakira
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Third Day
Tokio Hotel, McFly e Miley Cyrus
.
Fourth Day
Bob Dylan, Pearl Jam, Guns N Roses, Red Hot Chili Peppers, Incubus, Evanescence e U2
Fifth Day
Rush, Avenged Sevenfold, Metallica e Iron Maiden, Ozzy Osbourne e Slipknot (?)