At this point, I don't even need to listen to BTS's new singles before adding them to my workout playlist. Like last year's "Dynamite," BTS's newest track, "Butter," is inescapably catchy, summer-y, ...

"Dynamite" came out last week and (I'm not exaggerating) I haven't stopped singing it since. One listen lodges this perfect-for-summer BTS song in your head, so you might as well make the best of it ...