Off the next two weeks to track vox for something new (metal!) and wedding duty (not metal!), so sip this one slow.  WHAT TO HEAR: Leading the way this week is Portent (Gilead Media), the cauterizing new full-length from middle west black metal collective False. Comprised of four hypercoaster epics, Portent is Six Flags for sad kids, with False operating, as they always have, at the intersection of breakneck and bucolic. There are lovely, epic movements bisected by katana riffage and …