This document discusses the origins and evolution of rock and roll music from the 1950s-1960s. It emerged in the southern US in the early 1950s, deriving from rhythm and blues. Early rock included rockabilly, performed by white artists like Elvis Presley and Carl Perkins who blended country with rock. British rock was also popular. The Beatles became hugely successful with albums released between 1960-1970. Pioneers like Buddy Holly influenced many artists and were tragic figures who died young.