ST. PAUL, MN. – Willie Nelson performs in concert Wednesday, May 26, 1976, at the St. Paul Civic Center in St. Paul, Minn. Minneapolis Star photo by Tom Sweeney. (Photo by Tom Sweeney/Star Tribune via 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)
DALY CITY, CA – OCTOBER 6: Merle Haggard, Eddie Burris and Jerry Ward performing with 'Merle Haggard and the Strangers' at The Cow Palace in Daly City, California on October 6, 1979. (Photo by Larry Hulst/Michael Ochs Archives/Getty Images)