I prefer filtering for main page only or at least a checkbox where you can select what pages you want to filter. That way it's up to the user at least.
Also, and I've talked about this a lot, I'd love to be able to filter by "Classification" in some way. I know it can contain multiple fields (Original Soundtrack AND Arrange for example) but perhaps some kind of override system? Like "if Original Soundtrack is in classification, ignore Arrange filter" or similar...