Move over, Taylor Swift. Travis Kelce is the nation's hottest new recording artist. Well, maybe that's a bit of an exaggeration. But the Kansas City Chiefs tight end is seeing some musical success.

Nearly every week this summer, there's been an immovable object at the top of Billboard's Hot 100 singles chart: It's "Ordinary" by the singer Alex Warren. That changed this week. There's a new No. 1 ...