British musician Graham Nash and American musician David Crosby of the group Crosby, Stills, & Nash performs on stage at the Woodstock Music and Art Festival, Bethel, New York, August 17, 1969. (Photo by Fotos International/Getty Images)
attends the International Myeloma Foundation's 7th Annual Comedy Celebration Benefiting The Peter Boyle Research Fund hosted by Ray Romano at The Wilshire Ebell Theatre on November 9, 2013 in Los Angeles, California.
Graham Nash (L) and David Crosby of Crosby, Stills & Nash perform at Red Rocks Amphitheatre on September 23, 2014 in Morrison, Colorado. (Photo by Tim Mosenfelder/Getty Images)
