Jay Z was scheduled to perform on October 1, 2011, but cancelled his presentation because of personal matters. Maroon 5 were chosen by a popular quiz to replace him.
Rock in Rio has been the largest music festival in the world, with 1.5 million people in the first edition, 700,000 in the second, about 1.2 million in the third, and about 350,000 people in each of the 3 Lisbon editions.