ID3 tags and their relationship to fields

[adrian]

There is a roughly 1:1 relationship, but only for built-in fields. Other ones are called “flexible attributes” and don’t necessarily correspond to ID3 tags. To do that, you’ll need to define a tag mapping as discussed elsewhere:

How to use Custom Fields?

I think this has been mentioned a few times on the GitHub page, but I can’t figure out how to work it into Beets. Essentially, I have a bunch of soundtracks for Movies/Games/etc. I’ve been adding a custom tag “Source” and “Source Relation” so that I know where and how they are related. I’d like to be able to see this information and query it with beets, but I can’t since it is not natively supported, I have to either edit the source (not preferred) or make a plugin (I think?). Supposedly, I can …