1965: Singer Glen Campbell of the rock and roll band "The Beach Boys" performs onstage in 1965. Campbell replaced Brian Wilson as lead singer for performances in 1965. (Photo by Michael Ochs Archives/Getty Images)
(MANDATORY CREDIT Ebet Roberts/Getty Images) Glen Campbell performing at Farm Aid in Champaign, Illinois on September 22, 1985. (Photo by Ebet Roberts/Redferns)
ATLANTA, GA – March 2: Country singer Willie Nelson performs with Waylon Jennings at the Omni Coliseum on March 2, 1978 in Atlanta, Georgia. (Photo by Tom Hill/WireImage) *** Local Caption *** Willie Nelson
Glen Campbell performs during a photo call at the Shangri-La Hotel Sydney on January 30, 2008 in Sydney, Australia. (Photo by Gaye Gerard/Getty Images)
