Phonautograph - Wikipedia

How was music recorded in the 1920s? - Quora

What was the first music recording that people could go to the shop and buy a copy of? Was it even a gramophone record, or was it some kind of wax cylinder

What is the oldest piece of music on record? - Quora

How was music recorded in the 1920s? - Quora

What is the oldest audio recording? - Quora

PDF) OceanofPDF.com Factfulness Ten Reasons Were Wrong About - Hans Rosling

What is the oldest tune ever recorded? - Quora

Were ancient people actually capable of recording music and replaying it using primitive record players? - Quora

What was the music format before MP3s? - Quora