Phonautograph - Wikipedia

Digital Phonograph Stylus - Physical Computing - Snap! Forums

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 song known to man? - Quora

Precision Audio & Home Entertainment

Music - Crystalinks

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

What is the oldest piece of notated music that has been discovered, and can anyone play it? - 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 tune ever recorded? - Quora

Books: en.wikipedia.org

Calaméo - Ten Reasons

The Phonautograph: A Brief History