Comment by ssl-3

I can curate my own library of bookmarks within [some other body's music library] without CDs; of course I can.

I can do that with iTunes or Spotify or Tidal or Amazon Music or whatever else.

But none of these bookmarks are necessarily related to my music. They are only just bookmarks that refer to music that might exist within the libraries that these bodies provide.

And while all of these libraries are certainly quite vast, there's a fuckton of (published!) music that these commercial libraries do not provide.