But there was a time when audio records were not flat — they were drums, which was how the original Edison phonograph worked. [Our Own Devices] did a video earlier showing one of these devices ...

That changed in 1877 when Thomas Edison unveiled his phonograph ... One surprise hit was opera. In 1903, in an attempt to eradicate the phonograph’s working-class vaudeville associations ...

On December 7, 1877 Thomas Edison demonstrated his phonograph at the New York City offices of the nation's leading technical weekly publication, Scientific American. The following report set off ...