Ah, so you want a simple list of all songs (with no drill-down groups) but with a multi-layer sorting facility. No, that's not possible at present. I did put forward a suggestion for a user-customisable category system a while back, which would easily support this, but I'm not sure whether Max has had the time to give it any further thought. It might be quite a bit of work, but we'd end up with an amazingly powerful and flexible system, yet still simple and elegant to use. Does this sound l