ROSÉ and Bruno Mars ’ “APT.” is now solely the highest charted song by an act prominent in K-pop (Korean pop) on Billboard ’s Pop Airplay chart, as it ascends a spot to No. 4 on the latest, Jan.

Spotify is known for its algorithmic recommendations, but Sulinna Ong brings a human touch to finding new hits.

Chicago power-poppers OK Go were a mid-level major-label act that had good songs but no real niche in the world. That changed when they dropped the video for “A Million Ways,” the lead single from ...