What specific nursery rhyme did Thomas Edison recite to test the phonograph?
Answer
Mary Had a Little Lamb
During the initial testing of the phonograph in 1877, Thomas Edison recited the nursery rhyme Mary Had a Little Lamb into the device's horn. This act resulted in the first recognized spoken recording, demonstrating that the machine could successfully capture and reproduce human speech. This test served as proof-of-concept for the invention's ability to turn sound into a reproducible commodity.
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