Some interesting links
https://www.redbull.com/gb-en/videos/a-brief-history-of-music-formats
https://ontheaside.com/uncategorized/the-evolution-of-musical-formats/
https://en.wikipedia.org/wiki/Timeline_of_audio_formats
https://blog.landr.com/music-formats-history/
https://obsoletemedia.org/audio/
https://www.okayplayer.com/music/world-first-home-vinyl-record-cutting-machine-set-2020-release.html?fbclid=IwAR3GwTxX__BhB8n9_LuyhqtJkcws7LERL1ZE2-ap8rKDSjaOfXUxQdyGEiI
https://medium.com/@Vinylmint/history-of-the-record-industry-1920-1950s-6d491d7cb606
https://musicbusinessresearch.wordpress.com/2017/07/30/the-uk-recorded-music-market-in-a-long-term-perspective-1975-2016/
https://www.visualcapitalist.com/music-industry-sales/
