The document lists names of legendary musicians such as Ray Charles, Jimi Hendrix, Johnny Cash, Keith Richards, Mick Jagger, John Lennon, Joni Mitchell, Joan Baez, Janis Joplin, Aretha Franklin, Bob Dylan, Jerry Garcia, The Grateful Dead, Miles Davis, Jim Morrison, The Rolling Stones, The Beatles, Carlos Santana, Chuck Berry, Grace Slick, Louis Armstrong, Buddy Guy, Cream, Duke Ellington, and Quincy Jones. It references that the list comes from images taken by legendary music photographer Jim Marshall of these iconic artists.