LOS ANGELES - JANUARY 7: Country star Glen Campbell sits in on an Everly Brothers recording session at United Western Recorders on January 7, 1967 in Los Angeles, California. (Photo by Jasper Dailey/ Michael Ochs Archives/Getty Images)
LOS ANGELES - JANUARY 7: Country star Glen Campbell sits in on an Everly Brothers recording session at United Western Recorders on January 7, 1967 in Los Angeles, California. (Photo by Jasper Dailey/ Michael Ochs Archives/Getty Images)