1967: Superstar group "Buffalo Springfield" pose for a portrait in 1967. (L-R) Stephen Stills, Neil Young, Dewey Martin, Richie Furay, Bruce Palmer. (Photo by Michael Ochs Archives/Getty Images)
HOUSTON, TX – APRIL 21: Canadian-American singer-songwriter, philanthropist, musician, humanitarian and activist Neil Young performing as a member of Buffalo Springfield at the Sam Houston Coliseum in Houston, TX on April 21, 1968. (Photo by Jeff Hochberg/Getty Images)
18th September 1969: Studio portrait of Crosby, Stills, Nash & Young member Stephen Stills smiling and wearing a poncho. (Photo by Jack Robinson/Hulton Archive/Getty Images)