I like Amberol's approach - no library management, just use the file-system. I use Picard to organise my music into a sensible directory structure, and so Amberol can see that and play by album or artist. It's really nice.

It's crippled by its ridiculous refusal to see symbolic links. I want to use symlinks to create "playlists", without having to copy music files around, but now, to Amberol, it's as though sym-links don't exist.

I looked into it, and it's down to weird Gnome and Flatpak policies, which are bizarrely averse to sym-links, because they are a "security risk". Yes, that's kind of true if you are root, but who runs their music player as root???