NEW YORK (AP) - Bono served as an opening act for Stevie Wonder.
The U2 frontman gave a funky, rousing introduction to Wonder, who headlined the Global Citizen Festival on New York's Central Park on Saturday. It was the second annual concert to help end poverty around the world.
Wonder performed a number of his hits, wowing the audience of thousands who danced and sang along to "Superstition" and "Signed, Sealed, Delivered I'm Yours." John Mayer also was a favorite - especially with his solo work on the guitar. Alicia Keys and Kings of Leon also performed Saturday.
The Global Citizen Festival coincides with the U.N. General Assembly. Fans earn free tickets for helping spread the word or volunteering to help end world poverty.
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