Billboard magazine each year releases a TopHot 100 songs of the year, counted from the first week of November to the final week in October. For 2009, the chart was published on December 11.[1] The2009 list was dominated byThe Black Eyed Peas andLady Gaga, who shared the top four spots. In late December,DJ Earworm released amashup video to YouTube titled "Blame It On the Pop", featuring the top twenty-five songs from the list, as he had also done the previous two years for his"United State of Pop" series. The video quickly received four million views in little over a week.[2]
_on_The_Monster_Ball_Tour%2c_Ottawa%2c_November_2009.jpg)
.jpg)
