US singer Serj Tankian performs with his band "System Of a Down" during the last day of the Rock in Rio music festival, at the "City of Rock" in Rio de Janiero, Brazil, on October 2, 2011. AFP PHOTO / VANDERLEI ALMEIDA
2, 2011, A, ALMEIDA, AT, BAND, BRAZIL, CITY, DAY, DE, DOWN, DURING, FESTIVAL, HIS, HORIZONTAL, IN, JANIERO, LAST, MUSIC, OCTOBER, OF, ON, PERFORMS, RIO, ROCK, SERJ, SINGER, SYSTEM, TANKIAN, THE, US, VANDERLEI, WITH,