I’ve set up navidrome a long time ago, way before I’ve started using Jellyfin. And it just runs like a charm paired with some great clients for the subsonic ecosystem. So honestly it never even occurred to me to use Jellyfin for music.
Just from the top of my head:
Edit: I left out some stuff that you or others already mentioned. But here’s the extended list so I can copy/paste this if someone else asks in the future.
Honorable mention:
In order of personal preference:
Maybe just try them all out and find the one that fits you best. You could also use more than one (which is what I do).
AFAIK Proton has a free tier.