 Their first concert in the country, which was free, was marked by tragedy when a much bigger crowd than expected turned out and a stampede killed two young fans.Later, they were the first Spanish language acts to do a concert at the world's biggest stadium, Maracanã, in Rio de Janeiro.Ironically, one of the few markets in which Rebelde didn't perform well was Argentina, where it only debuted in 2008, two years after their peak (because of contractual obligations with Cris Morena Group and Dori Media).