BIG SUR – SEPTEMBER 15: Crosby, Stills and Nash and Young (L-R David Crosby, Graham Nash and Stephen Stills) perform onstage at the Big Sur Folk Festival held at the Esalen Institue on September, 15 1969 in Big Sur, California. (Photo by Robert Altman/Michael Ochs Archives/Getty Images)
Graham Nash (Photo by Amy Grantham/Courtesy of Sacks & Co.)
David Crosby and Graham Nash (Photo by Andre Csillag/Shutterstock)
BOSTON – AUGUST 1974: Crosby, Stills, Nash & Young perform at the Boston Garden on August 6, 1974 (Ron Pownall/Getty Images)
Crosby, Stills, Nash & Young perform at Olympia Stadium on June 12, 1970 in Detroit, Michigan. Photo by Tom Copi/Michael Ochs Archives/Getty Images)
Latest
The Beatles – 1963 John Lennon, Paul McCartney, George Harrison and Ringo Starr (Photo by Mirrorpix/Mirrorpix via Getty Images)
Michael Jackson performs during the 'Bad' tour at Madison Square Garden in New York City on March 3, 1988. (Photo by Kevin Mazur/WireImage)
LONDON, UNITED KINGDOM – MARCH 16: Vince Gill performs on stage on Day 1 of C2C: Country To Country Festival 2013 at O2 Arena on March 16, 2013 in London, England. (Photo by Jo Hale/Redferns via Getty Images)
Photos courtesy of Country Thunder