DJ Earworm

2015 had some truly memorable songs, particularly in pop music. What better way to enjoy them all as the year draws to a close than with a massive mash-up? DJ Earworm (aka Jordan Roseman) has been creating mash-ups of the 25 most popular songs each year since 2007, but this year he's upped the ante by combining 2015's top 50 songs into one mega-track.

DJ Earworm's genius is at work again for this year's mash-up of the biggest songs of 2013. He's been doing these video-song mash-ups since 2007, and really does an amazing job of featuring the top 25 biggest hits of the year from Billboard's Hot 100...