Oh, heck!
Timing is everything. Since I posted this post about having trouble making Static Playlists work, I figured out how to make and save (dynamic) filters.
:o
Anyway, those are quite a bit nicer than static filters, near as I could tell. I didn't realize until I actually had a close look at filter criteria that I can really customize filters to my hearts contents, so I effectively have play lists with songs overlapping in more than one playlist or filter.
What I like about these filters was that I can select the contents of a folder's name as a filter criteria. And as luck would have it, I have my tunes sorted in folders by my favorite broad categories of music.
Thanks for the advice, though. I just should have been a bit more patient in trying to figure out the cool features in gmusicbrowser.
Thanks all!
8)