Well, will we? I assume we'll get at least something from the series (ideally not just from the WarioWare part of it), but will the songs be new remixes/covers?
Or the same ones from Brawl lazily brought back because Nintendo didn't bother to try very hard with it?
I think there should be a medley of tunes from Land 1 and 2, since they are the only two to actually feature the main Wario Land theme (you know, this theme). And probably some Wario World music like Greenhorn Forest and the title theme.
Perhaps we could have some WarioWare music...You know, I think the medley in Brawl was actually fine.