When 1D went on hiatus in 2016, fans of the British-Irish boy band were shaken up—but in the months and years that followed, that angst morphed into delight at taking in five times the music from Harry, Liam, Louis, Niall and Zayn. The quintupled solo careers have put the boys’ idiosyncratic tastes on display (Harry indulged in his love of glam; ZAYN fell into the submerged vibe of trap-pop) and let their individual charms take centre stage.