Yes, I understand. And I dream of the day when I'll manage to get around to fixing all my files and tags... how does the "Files organiser" work by the way?
hiccup gave me a chuckle, but to reinforce his point, the file organization is all done based on tags. Most of us focus on tagging and let MusicBee handle the naming. See the wiki for lots of info on that.
If your files are well-named then you should be able to use the "infer and update tags from filenames" command to populate basic tags: artist, album, etc. From there you can use the auto-tag by album feature to fine tune them. Beats tagging everything by hand, anyway.