If you didn't listen to the radio much this year, here's a great way to catch up in no time flat. DJ Earworm has thoughtfully created the ultimate 2008 mashup, featuring Billboard's top 25 songs of the year, musically shoe-horned in to one five minute track. With a video to match. Talk about a timesaver! Or, catch up on 2008 in a more verbal way with our music year-end wrapup news story.