Resting Actor Justin Timberlake, Beyoncé and Bruce Springsteen have been announced as the headliners for the Rock In Rio festival.
Other acts on the bill include Florence '+' The Machine, Alicia Keys, David Guetta and, er, Phillip Phillips.
Popjustice favourites Slayer, Sepultura, 30 Seconds To Mars and Matchbox 20 will also be there, so that's good news.
The festival takes place September 13, 14, 15 and 19, 20, 21, 22.
There's more information on it here.