DJ Earworm's annual mashup released for 2014

I don’t listen to much “Top40” music but I always look forward to DJ Earworm’s annual mashup of the top 25 hits on Billboard for the year. Here is this year’s entry: http://youtu.be/BjYWwZYLYEs?list=UU7sqoPEAFZUca0mukF6aOtg