If you were born on Sunday, October 24, 1943 then Crank That (Soulja Boy) by Soulja Boy was the number one on your 64th birthday, and went to number one on September 30, 2007. Check the price of Crank That (Soulja Boy) by Soulja Boy on Amazon.com
The biggest selling book of 2007 (the year you turned 64) was Harry Potter and the Deathly Hallows by J.K. Rowling.