Portable Music

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