Shirley Ju Everyone knows the names BTS and Blackpink, and that’s thanks to the proliferation of K-pop, which has grown far beyond its origins in South Korea to become a true global phenomenon.What is it about the pop-leaning genre that attracts so many fans of all stripes? Catchy hooks, ear-wormy melodies, synchronized choreography and impeccable production value all lend to the formula. But as much training as some of these future idols do, the X-factor these artists possess is something that can’t be fabricated.The numbers don’t lie: BTS has racked up 1.5 billion views on YouTube for its 2020 hit “Dynamite,” while the band’s 2021 smash, “Butter,” smoothly glided its way to No.