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'''Rock and roll''' ('''Rock music''') is an [[American]] music genre started in the early 1950s. It evolved from [[rhythm and blues]], [[blues music]] and [[country music]].
The name implies fornication in a car.[http://www.history-of-rock.com/]
==Foundations of rock==
Rock is characterized by a strong back-beat, simple repeated phrases, and electrically amplified instrumentation such as [[guitars]].
*[[Keyboards]]
*[[Piano]] ''(sometimes)''
==Cultural Impact==
The music is often associated with rebellion because it's loud and obnoxious, (innovative?), style was repulsive to traditional parents. It grew more popular during the 70's, when [[Hippies|the Hippie movement]] spread. Whether everybody genuinely wanted peace in [[Vietnam]], or they just liked Jimmy Hendrix, Rock n' roll kept it's rowdy and independent spirit. Ever since it began, it's been drawing young people "out on [their] own / like a rolling stone" (Bob Dylan).
==Rock sub-genres==
