Artists perform during the opening ceremony of the 2011 Copa America at the Estadio Unico in La Plata, Argentina, Friday July 1, 2011. (AP Photo/Eduardo Di Baia)
Artists perform during the opening ceremony of the 2011 Copa America at the Estadio Unico in La Plata, Argentina, Friday July 1, 2011. (AP Photo/Eduardo Di Baia)