The First Voice recorder
Just the basics
Early patent for the phonograph
How it works!
Nowadays people don't give the phonograph much thought or credit. It is one of the first music players. It evolved into the record player and from there on.
How it came to be
This link contains most of my bibliography. The rest is below.
Bower, Meredith. "How Record Players Work." HowStuffWorks. N.p., n.d. Web. 19 Jan. 2016. <http://electronics.howstuffworks.com/record-player6.htm>.