Listen: DJ Earworm's United State of Pop 2015

This year for his annual must-listen compilation, DJ Earworm (a.k.a Jordan Roseman) decided do a mash-up with 50 of the tunes that defined 2015. "50 Shades of Pop," the five-minute jam, includes everything from Justin Bieber to Drake, Taylor Swift to The Weeknd. Oh, and that gal Adele.

Watch and listen below: