For the purpose of differentiation, this article deals with the first definition.In the earliest rock and roll styles of the late 1940s and early 1950s, either the piano or saxophone was often the lead instrument, but these were generally replaced or supplemented by guitar in the middle to late 1950s.both define rock and roll as synonymous with rock music.Encyclopædia Britannica, on the other hand, regards it as the music that originated in the mid-1950s and later developed "into the more encompassing international style known as rock music". Various gospel, blues and swing recordings used the phrase before it became used more frequently – but still intermittently – in the 1940s, on recordings and in reviews of what became known as "rhythm and blues" music aimed at a black audience.Radio stations that made white and black forms of music available to both groups, the development and spread of the gramophone record, and African American musical styles such as jazz and swing which were taken up by white musicians, aided this process of "cultural collision".Commentators differ in their views of which of these forms were most important and the degree to which the new music was a re-branding of African American rhythm and blues for a white market, or a new hybrid of black and white forms.Since 1998, the Rock ‘n’ Roll Marathon Series has made running fun by infusing the course with live bands, cheer teams, and creating a block-party atmosphere for participants and spectators. The Rock ‘n’ Roll Marathon Series combines running, travel and entertainment, providing a world-class event atmosphere for participants and spectators alike.Fueled by each runner’s journey, we celebrate running and all of the moments worth running for. The Series, which originated in 1998 in San Diego, CA, now visits more than 30 cities annually, including Las Vegas, Nashville, Washington DC, Montreal, Liverpool, Madrid and Mexico City. Find a Race Live bands, cheer teams and high-energy volunteers line the streets to power your race experience from start to finish, concluding with a headliner concert.
The migration of many former slaves and their descendants to major urban centers such as Memphis, New York City, Detroit, Chicago, Cleveland, and Buffalo (See: Second Great Migration (African American)) meant that black and white residents were living in close proximity in larger numbers than ever before, and as a result heard each other's music and even began to emulate each other's fashions.Since 1998, headliners have included some of music’s biggest names, like Macklemore & Ryan Lewis, Train, Goo Goo Dolls, Pat Benatar, Brad Paisley and Pitbull.Join us in 2017 for the biggest party in the history of the Rock ‘n’ Roll Marathon Series as we celebrate our 20 Years Running.The song became one of the biggest hits in history, and frenzied teens flocked to see Haley and the Comets perform it, causing riots in some cities."Rock Around the Clock" was a breakthrough for both the group and for all of rock and roll music.