True story, this song, played over and over and over, helped me memorize the answers to 6 different essay questions on a political economy test once. Seven Nation Army got me through Ancient World History. The White Stripes- powering Lizzie through college circa 2004.
<iframe width="350" height="292" src="http://www.youtube.com/embed/q27BfBkRHbs?rel=0" frameborder="0" allowfullscreen></iframe>
(If the blogger won't lemme embed- here's the link)