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Thomas Edison perfected the phonograph in 1879.
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Emile Berliner patented a more practical solution in 1887 with his gramophone.
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In the1920's, electrcity started to play a role in recording.
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I was born.
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Engineers were able to introduce a new techniqe: overdubbing.
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In the 1930's, A new way of capturing sound came along: magentic tape.
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The British Broadcasting Company (BBC) was the first to use such a recorder for a public radio broadcast.