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Alicia Keys, John Mayer and Others Rock Central Park at Global Citizens Festival Keys, John Mayer, Stevie Wonder and Kings Of Leon headlined a free concert in New York City's Central Park on Saturday called the Global Citizen's Festival.  The concert was free to people who performed certain “actions” supporting the festival's four themes: education, women's equality, global health, and global partnerships.  Some 60 thousand people attended the event, which brought together dignitaries from all corners of the world to help raise awareness of global poverty.

Before Keys took the stage, she told ABC News Radio the concert is one of her favorite shows.  “I feel very proud of being here, for real, because you know, when I tell people about it, my most feeling of pride comes from the fact that...everyone that's in that audience has had to do something to get there and that makes you really cool...that makes you a really cool human being.”

Wonder told ABC News Radio he takes the concert seriously. Wonder said it's “not to gain more fame or to get more records sold or to make more money...” Wonder added, jokingly, “...or to buy a Tesla, which I do want, Stevie Wonder, driving a Tesla.”

Bono was on hand and introduced Wonder at the concert.

Kings of Leon kicked off the six-hour event with their new single “Supersoaker,” and ended their set with “Use Somebody.”

Mayer’s set included the tunes “Queen of California” and “Wildfire.”

Celebrities in attendance included Gerard Butler, Katie Holmes, Olivia Wilde and her fiancé Jason Sudeikis.

Copyright 2013 ABC News Radio

ABC News Radio