XXXXX, the new album by Venezuelan producer-vocalist Arca, is reportedly laden with meaning: a press release claims that “suspended between posthuman augmentation and raw emotion, XXXXX exposes the mainframe”. But the reason Arca, real name Alejandra Ghersi, has become such a star of electronic music – and a mainstream-adjacent one at that – is not because she lets philosophy postgrads in Berlin write her marketing copy: it’s because, for well over a decade, she has been putting out records like XXXXX, which seem to tap into the body’s most primal, feral frequencies better than nearly anyone else. That ability has resulted in recent callups to collaborate on Madonna’s Confessions II and remix pop singer Addison Rae, and she has amassed…