Sound recording and reproduction - Wikipedia

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 music were people listening to when the phonograph record was invented? - Quora

Verse-Chorus Form - Wikipedia, PDF, Refrain

How do two-way radios transfer sound from one device to another at such a fast rate? - Quora

What caused the music recording business to start in the 1950's? - Quora

Audio and Video Connectors, Making Your Audio and Video Connections, Hook up drawing - Home entertainment system with surround sound

How can electric devices/speakers play any type of sound? How does the sound get created? - Quora

Graphic Notation - Wikipedia, PDF, Musical Compositions

Audio and Video Connectors, Making Your Audio and Video Connections, Hook up drawing - Home entertainment system with surround sound

How The Sony Transistor Radio Changed The World – or at least some of it. – Graham Thomas, transistor radio

Couch

What were the ways people obtained music before the existence of iTunes, Spotify, etc.? - Quora

Portato - Wikipedia, PDF, Music Theory