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Thomas Alva Edison, working in his lab, succeeds in recovering Mary's Little Lamb from a strip of tinfoil wrapped around a spinning cylinder
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The first music is put on record: cornetist Jules Levy plays "Yankee Doodle."
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Emile Berliner is granted a patent on a flatdisc gramophone, making the production of multiple copies practical
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The first talking movie is demonstrated by Edison using his Kinetophone process a cylinder player mechanically synchronized to a film projector.
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The first commercial AM radio broadcast is made by KDKA Pittsburgh PA.
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Magnetic recording on steel wire is developed commercially
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The Transistor Radio the first practical transistor that made any significant profits was the Regency TR-1
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Dr. Stockham of Soundstream makes the first 16-bit digital recording in the U.S. at the Santa Fe Opera
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Sony releases the first CD player, the Model CDP-101.
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Apple released their very first mp3 player on October 23, 2001