First there’s Pitbull. “I know you want,” he chants. And then: “Pop,” “dance,” “rock ‘n’ roll” — the genres burst out as the video cuts to Lady Gaga, Kelly Clarkson, will.i.am of the Black Eyed Peas, ...

K-pop can get overwhelming: it feels like there are two new albums every week, and once your faves make a comeback, you’re busy streaming and analyzing the music video. Now that 2019 is almost over, ...