Asciify id3 tags

[adrian]

We unfortunately don’t have a great way to do this currently. This old feature request describes the functionality we’d need:

Formatted modify

See also:

Do Templates Such as "%title" Also Change Metadata / Tags, or Just file and Directory Names?

Any way to make it work on metadata / tags? Can tags be ASCII-fied too, or just file and folder names? What’s the backend of %title? How does it determine what gets uppercased? This information is missing from the docs. Users should be aware of beet's weakneses, so as to not develop interest in the wrong solution.