Peter Schilling, German synthpop musician, singing into a microphone during a live concert performance at the Montreux Rock Festival, in Montreux, Switzerland, May 1984. (Photo by David Redfern/Redferns/Getty Images)
American singer and musician Maybelle Carter (1909-1978) of The Carter Family, playing the autoharp as the band perform live at Columbia Recording Studios, possibly during the recording of 'An Historic Reunion' at Columbia Recording Studios in Nashville, Tennessee, June 1966. Maybelle and her daughters had also performed as The Carter Sisters and Mother Maybelle. (Photo by Don Paulsen/Michael Ochs Archives/Getty Images)
NASHVILLE – APRIL 13: George Jones performs on the "Johnny Cash Spring Special", a CBS television special recorded in Nashville, TN, April 13, 1979. (Photo by CBS via Getty Images)
CIRCA LATE 1960s: Country musician Merle Haggard performs on stage with Bonnie Owens during a late 1960's concert. (Photo by Michael Ochs Archives/Getty Images)
NEW YORK, NEW YORK–AUGUST 02: Musician Robert Palmer performs at Radio City Music Hall on August 2, 1988 in New York City. (Photo by Al Pereira/Michael Ochs Archives/Getty Images)
Singer Robert Plant of The New Yardbirds (soon to be re-named Led Zeppelin) performs live on stage at Gladsaxe Teen Club in Gladsaxe, Denmark on 7th September 1968. (Photo by Jorgen Angel/Redferns)