"Waka Waka - Time for Africa" takes its inspiration from Cameroonian music, but South Africans aren't convinced Colombian singer Shakira is the right person to represent the country's first World Cup.

In the show's latest episode, a group of performers from South Africa, officially known as the Ndlovu Youth Choir, returned to the stage to sing a lively rendition of "Waka Waka (This Time For ...