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invented in 1877 by Thomas Alva Edison
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phonographs were invented in 1877.
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The radio was invented in 1895 by
Guglielmo Marconi. -
In 1962, Philips invented the Compact Cassette
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The Eight Track tape recording system was popular from 1965 to the late 1970s.
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Portable CD players were invented in 1984
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The mp3 player was invented in 1997 by microsoft.
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The first version was released on October 23, 2001,