https://www.patreon.com/ruinedheroes

https://www.ruinedheroes.com/home-1

Theme music by Tyler C. Dones and Jon Bolich

Primary Sources:
https://www.volocars.com/blog/p

https://visual.ly/community/Infographics/technology/history-portable-music

https://www.blackpoolgrand.co.uk/rmusic-devices-through-time

https://www.thehenryford.org/collections-and-research/digital-collections/expert-sets/101463/

https://www.mobileindustryreview.com/2017/05/34266.html