There were and are many attempts. None successful yet, which is not that surprising that many artists already have quite a lot on their plate already and, at a larger scale, music is a business controlled by only 3 companies that have enough power to strangle any innovation. Funny I should find your note this morning, when no later than yesterday evening I made my first live twitch as I'm precisely ambitioning to take along those who would like to board the crypto-decentralized train for music... In the meantime, you may want to have a look at

Unchained music value • Allfeat

Allfeat provides a universal, open-source, decentralized infrastructure designed to secure and certify music IP.

Choon, Musicoin or Hyperspace may no longer be around, but I keep being confident that we'll get there eventually.