Audio Timeline. By: Cade Thompson. 1877. Thomas Edison's phonograph was invented in 1877. 1878. The first music is put on record: cornetist Jules Levy plays "Yankee Doodle . 1888.
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Dictabelts are flexible belts of vinyl .005" thick by 3 1/2 inches wide with a circumference of 12 inches, which allowed up to approximately 15 minutes of recording time per belt. This machine works just like the soundscriber.