Phonautograph - Wikipedia

What is the oldest audio recorded classical music? - Quora

The Phonautograph: A Brief History

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

What is the oldest record of written music and how has it evolved into the written music we know and use today? - Quora

Phonautograph - Wikipedia

The Phonautograph: A Brief History

Digital Phonograph Stylus - Physical Computing - Snap! Forums

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

Precision Audio & Home Entertainment

Music - Crystalinks

The Phonautograph: A Brief History

What is the oldest song that we still can listen to today? What is the oldest song that we know of? - Quora

Music - Crystalinks

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