Bob Dylan and Willie Nelson during Willie Nelson and Friends: "Outlaws & Angels" – Show and Backstage at Wiltern Theatre in Los Angeles, California, United States. (Photo by M. Caulfield/WireImage for NBC Universal Photo Department)
American singer and songwriter Bob Dylan wears a stovepipe hat in a still from the film western, 'Pat Garrett & Billy The Kid' directed by Sam Peckinpah, 1973. (Photo by MGM Studios/Courtesy of Getty Images)
Group portrait of American folk rock band The Byrds in Soho Square, London, 1966. L-R Michael Clarke, Chris Hillman, Gene Clark, Roger McGuinn, David Crosby. (Photo by Mark and Colleen Hayward/Getty Images)
