NASHVILLE, TN – CIRCA 1968: Folk-Rock Group "The Byrds" perform at the Grand Ol' Opry in Nashville, Tennessee circa 1968. Left to right: Kevin Kelly, Gram Parsons, Jim (Roger) McGuinn and Chris Hillman. (Photo by Michael Ochs Archives/Getty Images)
Atlanta – June 1: Fleetwood Mac, Rock and Roll Hall of Fame (Class of 1998) Christine McVie and Stevie Nicks perform at The Omni Coliseum in Atlanta Georgia June 1, 1977 (Photo By Rick Diamond/Getty Images)
CIRCA 1967: Members of the rock band "Youngbloods" pose for a circa 1967 portrait. Original members include Jesse Colin Young, Lowell "Banana" Levinger, Jerry Corbitt and Joe Bauer. (Photo by Michael Ochs Archives/Getty Images)
American singer-songwriter Bob Dylan and British singer-songwriter David Bowie (1947-2016) attend a party to celebrate the release of 'Biograph,' Dylan's career retrospective box set, held at the Whitney Museum of American Art, in New York City, New York, 13th November 1985. (Photo by Vinnie Zuffante/Getty Images)
NASHVILLE, TN – JUNE 7: Bob Dylan and Johnny Cash perform together with acoustic guitars on 'The Johnny Cash Show' on June 7, 1969 in Nashville, Tennessee. (Photo by Michael Ochs Archives/Getty Images)
Paul Simon and honoree Chuck Berry during the 2012 Awards for Lyrics of Literary Excellence at The John F. Kennedy Presidential Library And Museum on February 26, 2012 in Boston, Massachusetts. (Photo by Marc Andrew Deley/Getty Images)
