LAS VEGAS – DECEMBER 1994: Country duo Brook & Dunn perform at Caesar's Palace in December, 1994 in Las Vegas, Nevada. L-R: Ronnie Brooks, Kix Dunn. (Photo by Sherry Rayn Barnett/Michael Ochs Archives/Getty Images)
AUSTRALIA – SEPTEMBER 01: Photo of U2; The Edge (playing Fender Stratocaster guitar) and Bono performing live onstage on the Lovetown tour (Photo by Bob King/Redferns)
American country singer and songwriter Johnny Cash (1932 – 2003) plays acoustic guitar in a still from his television variety series, 'The Johnny Cash Show,' circa 1968. (Photo by Hulton Archive/Getty Images)
