K’Naan x Coca-Cola. As we mentioned a couple weeks back, K’Naan’s single “Wavin’ Flag” is the official song of Coca-Cola’s multi-million dollar 2010 World Cup ad campaign. Now here is the official video that will play as part of the overall campaign. K’Naan is about to become a global star because of this….well everywhere except here in the U.S…Soccer? What’s soccer?