The work of Thomas Edison and later Bell Labs and RCA enabled sound to be recorded first on wax coated cylinder (Edison's phonograph) and later disks of shellac then vinyl.1 Without this new technology it would have been hard for such stylised genres of music to gain such widespread popularity over such a large continent as audiences usually thirst for the familiar with small variations. ... This is combined with the relentless global marketing machine marketing glittering western pop music to the world. ...

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• Grade Level: Undergraduate