Down in Del Mar, on a Saturday in October, the fairgrounds' newest room goes pitch dark for the duo the whole darkwave scene bows to. Boy Harsher does not do polite; the duo makes music that feels like a beautiful anxiety attack, all analog throb and whispered dread, built to be experienced loud and in the dark with a crowd that gets it. The Sound is an intimate, sharp-sounding venue, which means none of the cinematic detail gets lost. For San Diego's synth and goth faithful, a Boy Harsher night this close to home is not a maybe. Get there early, stand close, and let the bass rearrange your ribcage. This is a band that literally made its own horror film, and live it shows. Some shows you attend. This one attends to you.