This year may be remembered as the one in which pop music as it once was — populated with stars like Britney, Katy, Justin, the other Justin — simply faded from the spotlight.

In their places, new stars: Drake, Cardi B, Bad Bunny, Ozuna, Kane Brown and many more. They come from all over the musical spectrum: hip-hop, Latin trap, country, pop-punk and beyond. And yet they have many things in common, so much so that they collectively constitute a new pop rule book, one that’s all but washed the old one away.

On this week’s Popcast:

Joe Coscarelli, The New York Times’s pop music reporter

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