Honestly the most complete source of high res music is private trackers like redacted. You can download all the stuff from qobuz and bandcamp, every CD rip you can think of in bit perfect quality of and even very good vinyl rips. You basically can download any version ever released from any album.

Lemmy is having an identity crisis of sorts. It was built to be decentralized yet we (users) seem to want to centralize everything and we all go to a few of the largest instances.

Is that any different on Mastodon and other Fediverse projects?