Rock n Roll

 

A genre of popular music that originated and evolved in the United States during the late 1940s and early 1950s, primarily from a combination of African-American genres such as blues, jump blues, jazz, and gospel music, together with Western swing and country music. The term "rock and roll"  refers to the first wave of music that originated in the US in the 1950s and would later develop into the more encompassing international style known as "rock music",  a term simply synonymous with rock music and a culture in the broad sense