Joan, Bruce et al celebrate Pete Seeger 90th birthday (2009)
May 3, 2009 - more than 40 artists, including Bruce Springsteen, John Mellencamp, Arlo Guthrie, Joan Baez, Kris Kristofferson, Richie Havens, Roger McGuinn, Ani DiFranco, Taj Mahal, Ben Harper, Dave...
