We published a GEN F profile on the cheeky but always awfully dark UK producers Stay+ about this time last year, and judging by “Crashed,” they’ve spent the between time polishing a more direct and poppy sound. I’m prepared to eat my words when the boys formerly called Christian AIDS’ next release is a totally filthy brain-melt, but right now, with great aplomb, they’re front-and-center on the dance floor.