PHOTOS: The life of folk singer Pete Seeger

Pete Seeger and Willie Nelson on stage during the Farm Aid 2013 concert at Saratoga Performing Arts Center in Saratoga Springs, N.Y., Saturday, Sept. 21, 2013. (AP Photo/Hans Pennink) <span class=meta>(Photo/HANS PENNINK)</span>
January 28, 2014 12:21:48 PM PST