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Thomas Edison invents the phonograph for playing back stored sounds. The first recording he
makes is "Mary Had a Little Lamb." -
The Chicago Automatic Machine and Tool Company invents the jukebox that plays records (as
opposed to the cylinder recordings type of player that had been around since 1889). -
Adolph Rickenbacker invents the electric guitar.
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Bluesman Robert Johnson records his first record.
Pete Johnson and Joe Turner cut their first boogie records in Kansas City. Boom of boogie woogie in Chicago