“It’s not that Dominick Fernow has gotten somehow soft, even if the general tack of his work in recent years, especially as Prurient, has eased off its aggression and power. Fernow’s stretched his palette of sound sources and scenarios, leaning more on beats than concussions and textures that sit at the threshold of beautiful and brutal. But Fernow’s upcoming 7” on Handmade Birds—his first in what ”