Lollapalooza 2014

Muse was confirmed as the main band at the festival Lollapalooza in Brazil on 2014. The group will perform on Saturday, April 5 in the "Main Stage 1".
You can check the bands per day here.
The tickets for the two days (5 and 6 April) will go on sale on November 19 at a price of R$540 while the first batch of tickets for a single day of festival (5 or 6 April) start shipping from November 21 at a price of R$290.
More info here.