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Rock and Roll: A genre of music that emerged in the United States during the 1950s, characterized by its use of electric guitars, bass, drums, and vocals. It is deeply rooted in African-American musical traditions such as gospel, blues, and rhythm and blues, and also draws from country and western music. Rock and Roll has had a profound impact on American culture, shaping youth subcultures and influencing fashion, language, and attitudes towards race and sexuality. As an area of study, ethnomusicologists examine the social and cultural contexts in which rock and roll is created, performed, and consumed, exploring issues of identity, power, and resistance.