[Frank Cox]

I think I'm missing a step or not understanding something here.

I have an album or a collection consisting of several songs.

songA;pop|christmas
songB;pop
songC;pop|christmas

I select all songs in the collection and click on Edit.  Pop and christmas are already in the genre field so I add "Traditional" beside those two entries.

Now all three songs are part of the traditional genre, but songB is now part of genre christmas as well even though it wasn't before and that's not what I had intended.