On July 5, 1954, Elvis Presley began his first recording session for Sun Records. The result was his first single 'That's All Right' backed by 'Blue Moon of Kentucky.'In 1956, Billie Holiday's autobiography, 'Lady Sings The Blues,' was published.In 1965, the Rolling Stones held their first American recording session, at a studio in Los Angeles.In 1969, The Rolling Stones held a free concert in London's Hyde Park. Mick Jagger read poetry in memory of the late Brian Jones.In 1975, the Knebworth Pop Festival was held near London, with Pink Floyd as the headliner.