Quote:
Originally posted by highwind44029
Billboard counts sales from December 2010 to November 2011 for its year-end chart. A bulk of Firework's sales were from December, including the Christmas weeks amounting to around 1 million. It also has much more airplay.
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I know it counts from December, that's why I only said Firework's 1st month won't be on there.
ET was the best selling song 1/2 way through the year, RITD surpassed it shortly after, I doubt Firework did. Plus Et had a bigger peak in airplay.
I don't even think Bilboard re-calculates, but instead bases it off the charts. #1 gets 100 points, #2 gets 99 points, #3 gets 98 points etc.