Keeping all the solo-act white-dude knob-twiddlers in town straight can be tough, and trying to assign them a fitting genre is tougher, but we’re confident in calling Hylidae’s debut what it is: dance music. Jon Burkhart has an irrepressible drive for rave-up rhythms and sparkling melodic filaments, even when they are buried beneath what would otherwise pass for well-manicured noise.…