In May, Shakira collaborated with the South African group Freshlyground to create the official song of the 2010 FIFA World Cup in South Africa. "Waka Waka (This Time for Africa)", which is based on a traditional Cameroonian soldiers's Fang song titled "Zangalewa" by the group Zangalewa or Golden Sounds. The single later reached the top 20 in Europe, South America and Africa and the top 40 in the U.S. and was performed by Shakira at the World Cup kick-off and closing. It became the biggest-selling World Cup song of all time.