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| | MSN Encarta - Rock Music |
 | | Rock music began in the United States, but it has influenced and in turn been shaped by a broad field of cultures and musical traditions, including gospel music, the blues, country-and-western music, classical music (see Music, Western), folk music, electronic music, and the popular music of Asia, Africa, and Latin America (see Worldbeat). |
 | | Rock and roll was a combination of the R&B (rhythm-and-blues music) style known as jump blues, the gospel-influenced vocal-group style known as doo wop, the piano-blues style known as boogie-woogie (or barrelhouse), and the country-music style known as honky tonk. |
 | | Rock musicians have pioneered new studio recording techniques, such as multi-tracking—a process of recording different song segments at different times and layering them on top of one another—and digital sampling, the reproduction by a computer of the patterns of a particular sound. |
| encarta.msn.com /encyclopedia_761558548/Rock_Music.html (1980 words) |
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