LIVERMORE, CA – DECEMBER 6: Gram Parsons of The Flying Burrito Brothers performs onstage at The Altamont Speedway on December 6, 1969 in Livermore, California. (Photo by Robert Altman/Michael Ochs Archives/Getty Images)
UNSPECIFIED – JANUARY 01: Photo of David BYRON and URIAH HEEP and Ken HENSLEY and Lee KERSLAKE and Mick BOX and Gary THAIN; Posed group portrait L-R Ken Hensley, Lee Kerslake, Mick Box, Gary Thain and David Byron (Photo by Fin Costello/Redferns)
Backup singers of Brit Floyd perform in concert during the PULSE World Tour celebrating the 30th Anniversary of "The Division Bell" (Photo by Scott Moore/Shutterstock)