“Miracle” is a pretty accurate title for a peak pop-trance throwback that manages to not only eclipse feeling overwhelmingly retro but also become one of the best and biggest global dance hits of 2023 and an eight-week U.K. No. 1. Then again, maybe it’s not so supernatural coming from Calvin Harris—who’s thrived for nearly two decades largely by knowing what buttons to push on the wayback machine—and Ellie Goulding, whose voice is just the right mix of airy and winsome to float over gloriously reverbed piano with the same ethereal authority that those less-starry singers like Ian Van Dahl and Alice Deejay did decades earlier. — A.U.