American singer Ray Charles (1930 – 2004) performs in a still from the CBS special 'Barbra Streisand and Other Musical Instruments,' London, England, August 8, 1973. (Photo by CBS Photo Archive/Getty Images)
American singer and guitarist Jimi Hendrix performs on stage on May 24, 1967 at Grona Lund in Stockholm, Sweden. (Photo by – / various sources / AFP) (Photo by -/Svenska Dagbladet/AFP via Getty Images)