Senegalese pop star Youssou N'Dour is the top-selling African musician of all time. His album "Egypt" moved away from the raucous sounds of pop and was devoted to his faith. N'Dour is a devout Sufi Muslim. Film-maker Chai Vasarhelyi followed Youssou N'Dour and his band after the album came out and produced a documentary called "I Bring What I Love." Anne Strainchamps talks with the film-maker and musician right after the film opened in New York. "Egypt" won a Grammy in 2005. We hear clips from "Egypt" and from the film.