Stevie Wonder performs at the Global Citizen Festival in Central Park on Saturday, Sept. 28, 2013 in New York. Stevie Wonder gave and electrifying performance at New York's Central Park in front of thousands of fans and several world leaders Saturday, singing his hits and calling for an end to poverty worldwide at the Global Citizen Festival. (AP Photo/unite4:good, Charles Sykes/Invision) ( Global Citizen Festival )