All year long, Shazam’s music recognition technology tracked what songs were being played on radio stations around the world. (That’s nearly 1 million hours of music each day, broadcasting on more than 40,000 stations from Sacramento to Stockholm to Seoul.) The Weeknd dominated R&B radio this year, appearing 10 times on the list of most-played tracks. Classic hits from Kool & The Gang, Diana Ross, and Whitney Houston stayed in rotation, while USHER closed out a year that saw him headline the Apple Music Super Bowl Halftime Show with two songs on the list—“Good Good,” plus a throwback. Hear what else the world listened to this year.