Compilations not recognized

[OttoKerner]

Most important: is “Prefer local metatags” in the properties of the library enabled or not?
Depending on that, the strategy can differ.

Side note: While “ABBA Gold” is a compilation, it is very likely not attributable to “Various Artists”.

Music library weird behavior

Bad idea. This now will turn every other Various Artists release into an Elvis release. I’d revert this edit and do it right (see below). Good metadata have nothing to do with the source of the media files. See below. Don’t make such large jumps. Your NAS has small enough RAM, so don’t make it consume even more without need. Revert that for the time being. It’s certainly not necessary for a few hundred albums to change that value from the default. That is basically the same issue as with…