The Global Citizen Festival in Central Park to end extreme poverty

NEW YORK, NY - SEPTEMBER 29: Katharine McPhee speaks onstage at the Global Citizen Festival In Central Park to end extreme poverty - VIP Lounge at Central Park on September 29, 2012 in New York City. (Photo by Theo Wargo/Getty Images for the Global Citizen Festival)

The Global Citizen Festival in Central Park to end extreme poverty

NEW YORK, NY - SEPTEMBER 29: N'Naan performs onstage at the Global Citizen Festival In Central Park to end extreme poverty - Show at Central Park on September 29, 2012 in New York City. (Photo by Theo Wargo/Getty Images for the Global Citizen Festival)

The Global Citizen Festival in Central Park to end extreme poverty

NEW YORK, NY - SEPTEMBER 29: Ben Bridwell of Band Of Horses performs onstage at the Global Citizen Festival at Central Park, Great Lawn on September 29, 2012 in New York City. (Photo by Theo Wargo/Getty Images for the Global Citizen Festival)

The Global Citizen Festival in Central Park to end extreme poverty

NEW YORK, NY - SEPTEMBER 29: Ben Bridwell of Band Of Horses performs onstage at the Global Citizen Festival at Central Park, Great Lawn on September 29, 2012 in New York City. (Photo by Theo Wargo/Getty Images for the Global Citizen Festival)

The Global Citizen Festival in Central Park to end extreme poverty

NEW YORK, NY - SEPTEMBER 29: Patrick Carney and Dan Auerbach of The Black Keys perform onstage at the Global Citizen Festival In Central Park to end extreme poverty - Show at Central Park on September 29, 2012 in New York City. (Photo by Theo Wargo/Getty Images for the Global Citizen Festival)

The Global Citizen Festival in Central Park to end extreme poverty

NEW YORK, NY - SEPTEMBER 29: Patrick Carney and Dan Auerbach of The Black Keys perform onstage at the Global Citizen Festival In Central Park to end extreme poverty - Show at Central Park on September 29, 2012 in New York City. (Photo by Theo Wargo/Getty Images for the Global Citizen Festival)

The Global Citizen Festival in Central Park to end extreme poverty

NEW YORK, NY - SEPTEMBER 29: Dan Auerbach of The Black Keys performs onstage at the Global Citizen Festival In Central Park to end extreme poverty - Show at Central Park on September 29, 2012 in New York City. (Photo by Theo Wargo/Getty Images for the Global Citizen Festival)

The Global Citizen Festival in Central Park to end extreme poverty

NEW YORK, NY - SEPTEMBER 29: Dan Auerbach of The Black Keys performs onstage at the Global Citizen Festival In Central Park to end extreme poverty - Show at Central Park on September 29, 2012 in New York City. (Photo by Theo Wargo/Getty Images for the Global Citizen Festival)

The Global Citizen Festival in Central Park to end extreme poverty

NEW YORK, NY - SEPTEMBER 29: Patrick Carney and Dan Auerbach of The Black Keys perform onstage at the Global Citizen Festival In Central Park to end extreme poverty - Show at Central Park on September 29, 2012 in New York City. (Photo by Theo Wargo/Getty Images for the Global Citizen Festival)

The Global Citizen Festival in Central Park to end extreme poverty

NEW YORK, NY - SEPTEMBER 29: Patrick Carney of The Black Keys performs onstage at the Global Citizen Festival In Central Park to end extreme poverty - Show at Central Park on September 29, 2012 in New York City. (Photo by Theo Wargo/Getty Images for the Global Citizen Festival)

The Global Citizen Festival in Central Park to end extreme poverty

NEW YORK, NY - SEPTEMBER 29: Neil Young performs onstage at the Global Citizen Festival In Central Park to end extreme poverty - Show at Central Park on September 29, 2012 in New York City. (Photo by Theo Wargo/Getty Images for the Global Citizen Festival)

The Global Citizen Festival in Central Park to end extreme poverty

NEW YORK, NY - SEPTEMBER 29: Frank "Poncho" Sampedro, Billy Talbot and Neil Young of Neil Young and Crazy Hourse perform onstage at the Global Citizen Festival In Central Park to end extreme poverty - Show at Central Park on September 29, 2012 in New York City. (Photo by Theo Wargo/Getty Images for the Global Citizen Festival)

The Global Citizen Festival in Central Park to end extreme poverty

NEW YORK, NY - SEPTEMBER 29: Frank "Poncho" Sampedro, Billy Talbot and Neil Young of Neil Young and Crazy Hourse perform onstage at the Global Citizen Festival In Central Park to end extreme poverty - Show at Central Park on September 29, 2012 in New York City. (Photo by Theo Wargo/Getty Images for the Global Citizen Festival)

The Global Citizen Festival in Central Park to end extreme poverty

NEW YORK, NY - SEPTEMBER 29: Frank "Poncho" Sampedro, Billy Talbot and Neil Young of Neil Young and Crazy Hourse perform onstage at the Global Citizen Festival In Central Park to end extreme poverty - Show at Central Park on September 29, 2012 in New York City. (Photo by Theo Wargo/Getty Images for the Global Citizen Festival)

The Global Citizen Festival in Central Park to end extreme poverty

NEW YORK, NY - SEPTEMBER 29: Frank "Poncho" Sampedro, and Neil Young of Neil Young and Crazy Hourse perform onstage at the Global Citizen Festival In Central Park to end extreme poverty - Show at Central Park on September 29, 2012 in New York City. (Photo by Theo Wargo/Getty Images for the Global Citizen Festival)

The Global Citizen Festival in Central Park to end extreme poverty

NEW YORK, NY - SEPTEMBER 29: Ryan Monroe of Band of Horses performs onstage at the Global Citizen Festival In Central Park to end extreme poverty - Show at Central Park on September 29, 2012 in New York City. (Photo by Theo Wargo/Getty Images for the Global Citizen Festival)

The Global Citizen Festival in Central Park to end extreme poverty

NEW YORK, NY - SEPTEMBER 29: Ben Bridwell of Band Of Horses performs onstage at the Global Citizen Festival at Central Park, Great Lawn on September 29, 2012 in New York City. (Photo by Theo Wargo/Getty Images for the Global Citizen Festival)

The Global Citizen Festival in Central Park to end extreme poverty

NEW YORK, NY - SEPTEMBER 29: Neil Young performs onstage at the Global Citizen Festival In Central Park to end extreme poverty - Show at Central Park on September 29, 2012 in New York City. (Photo by Theo Wargo/Getty Images for the Global Citizen Festival)

The Global Citizen Festival in Central Park to end extreme poverty

NEW YORK, NY - SEPTEMBER 29: Neil Young performs onstage at the Global Citizen Festival In Central Park to end extreme poverty - Show at Central Park on September 29, 2012 in New York City. (Photo by Theo Wargo/Getty Images for the Global Citizen Festival)

The Global Citizen Festival in Central Park to end extreme poverty

NEW YORK, NY - SEPTEMBER 29: Neil Young performs onstage at the Global Citizen Festival In Central Park to end extreme poverty - Show at Central Park on September 29, 2012 in New York City. (Photo by Theo Wargo/Getty Images for the Global Citizen Festival)

The Global Citizen Festival in Central Park to end extreme poverty

NEW YORK, NY - SEPTEMBER 29: Dave Grohl of the Foo Fighters performs onstage at the Global Citizen Festival In Central Park to end extreme poverty - Show at Central Park on September 29, 2012 in New York City. (Photo by Theo Wargo/Getty Images for the Global Citizen Festival)

The Global Citizen Festival in Central Park to end extreme poverty

NEW YORK, NY - SEPTEMBER 29: Dave Grohl of the Foo Fighters performs onstage at the Global Citizen Festival In Central Park to end extreme poverty - Show at Central Park on September 29, 2012 in New York City. (Photo by Theo Wargo/Getty Images for the Global Citizen Festival)

The Global Citizen Festival in Central Park to end extreme poverty

NEW YORK, NY - SEPTEMBER 29: Frank "Poncho" Sampedro, and Neil Young of Neil Young and Crazy Hourse perform onstage at the Global Citizen Festival In Central Park to end extreme poverty - Show at Central Park on September 29, 2012 in New York City. (Photo by Theo Wargo/Getty Images for the Global Citizen Festival)