Musicians Graham Nash (R) and David Crosby (2nd R) play an acoustic set for members of Occupy Wall Street in Zuccotti Park on November 8, 2011. (Photo by Mario Tama/Getty Images)
Crosby and Nash Perform At Zuccotti Park
Musician Graham Nash (2nd R) yells to the crowd after he and David Crosby played an acoustic set for members of Occupy Wall Street in Zuccotti Park on November 8, 2011. (Photo by Mario Tama/Getty Images)
Crosby and Nash Perform At Zuccotti Park
Musicians Graham Nash (C) and David Crosby perform for Demonstrators with 'Occupy Wall Street' as they continue their protest at Zuccotti Park in New York on November 8, 2011. (credit: Timothy A. Clary/AFP/Getty Images)
Crosby and Nash Perform At Zuccotti Park
Musicians Graham Nash and David Crosby (behind) perform for Demonstrators with 'Occupy Wall Street' as they continue their protest at Zuccotti Park on November 8, 2011. (credit Timothy A. Clary/AFP/Getty Images)
Crosby and Nash Perform At Zuccotti Park
Musicians Graham Nash and David Crosby (behind) perform for Demonstrators with 'Occupy Wall Street' as they continue their protest at Zuccotti Park on November 8, 2011. (credit: Timothy A. Clary/AFP/Getty Images)
Crosby and Nash Perform At Zuccotti Park
Musicians Graham Nash and David Crosby (R) perform for Demonstrators with 'Occupy Wall Street' as they continue their protest at Zuccotti Park on November 8, 2011. (credit: Timothy A. Clary/AFP/Getty Images)
Crosby and Nash Perform At Zuccotti Park
Musicians Graham Nash and David Crosby perform for demonstrators with 'Occupy Wall Street' as they continue their protest at Zuccotti Park on November 8, 2011. (credit: Timothy A. Clary/AFP/Getty Images)
Crosby and Nash Perform At Zuccotti Park
Musicians Graham Nash and David Crosby (behind) perform for Demonstrators with 'Occupy Wall Street' as they continue their protest at Zuccotti Park on November 8, 2011. (credit Timothy A. Clary/AFP/Getty Images)
Crosby and Nash Perform At Zuccotti Park
Musicians Graham Nash (L) and David Crosby (R) play an acoustic set for members of Occupy Wall Street in Zuccotti Park on November 8, 2011. (Photo by Mario Tama/Getty Images)
Crosby and Nash Perform At Zuccotti Park
Musicians Graham Nash (L) and David Crosby play an acoustic set for members of Occupy Wall Street in Zuccotti Park on November 8, 2011. (Photo by Mario Tama/Getty Images)
Crosby And Nash Play Zuccotti Park
Musicians Graham Nash (C) and David Crosby (R) play an acoustic set for members of Occupy Wall Street in Zuccotti Park on November 8, 2011. (Photo by Mario Tama/Getty Images)
Crosby and Nash Perform At Zuccotti Park
Musicians Graham Nash plays an acoustic set with David Crosby for members of Occupy Wall Street in Zuccotti Park on November 8, 2011. (Photo by Mario Tama/Getty Images)
Crosby and Nash Perform At Zuccotti Park
Musicians Graham Nash (L) and David Crosby (R) play an acoustic set for members of Occupy Wall Street in Zuccotti Park on November 8, 2011. (Photo by Mario Tama/Getty Images)
Crosby and Nash Perform At Zuccotti Park
Musicians Graham Nash (L) and David Crosby (R) play an acoustic set for members of Occupy Wall Street in Zuccotti Park on November 8, 2011. (Photo by Mario Tama/Getty Images)
Crosby and Nash Perform At Zuccotti Park
Musicians Graham Nash (L) and David Crosby (R) play an acoustic set for members of Occupy Wall Street in Zuccotti Park on November 8, 2011. (Photo by Mario Tama/Getty Images)
Crosby and Nash Perform At Zuccotti Park
Musician David Crosby enters Zuccotti Park to play an acoustic set with Graham Nash for members of Occupy Wall Street on November 8, 2011. (Photo by Mario Tama/Getty Images)
Crosby and Nash Perform At Zuccotti Park
Musicians Graham Nash plays an acoustic set with David Crosby for members of Occupy Wall Street in Zuccotti Park on November 8, 2011. (Photo by Mario Tama/Getty Images)
Crosby and Nash Perform At Zuccotti Park
Musicians Graham Nash plays an acoustic set with David Crosby for members of Occupy Wall Street in Zuccotti Park on November 8, 2011. (Photo by Mario Tama/Getty Images)
Crosby and Nash Perform At Zuccotti Park
Musicians Graham Nash (L) and David Crosby (R) play an acoustic set for members of Occupy Wall Street in Zuccotti Park on November 8, 2011. (Photo by Mario Tama/Getty Images)
Crosby and Nash Perform At Zuccotti Park
Musician Graham Nash (R) yells to the crowd after he and David Crosby played an acoustic set for members of Occupy Wall Street in Zuccotti Park on November 8, 2011. (Photo by Mario Tama/Getty Images)
Crosby and Nash Perform At Zuccotti Park
Musicians Graham Nash and David Crosby perform for Demonstrators with 'Occupy Wall Street' as they continue their protest at Zuccotti Park on November 8, 2011. (Photo credit: Timothy A. Clary/AFP/Getty Images)
Crosby and Nash Perform At Zuccotti Park
Musicians David Crosby performs for Demonstrators with 'Occupy Wall Street' as they continue their protest at Zuccotti Park on November 8, 2011. (credit: Timothy A. Clary/AFP/Getty Images)