Well, this already exists, as I discovered today:

https://dsound.audio/

Basically, like dtube is to video hosting, this is a soundcloud clone built on the Steem blockchain. Here's a post by the creator explaining how it works:

https://steemit.com/music/@prc/introducing-dsound-a-decentralized-sound-platform-using-steem-and-ipfs

How we consume music changes negligibly in relation to crypto I think, but how music is distributed and how artists are paid could see a huge, huge transformation based on this technology.