http://www.goear.com/listen.php?v=c7c99c7
Alvin and the Chipmunks:
http://en.wikipedia.org/wiki/Alvin_and_the_Chipmunks
I think it has something to do with "Serendipity".
?I love these guys. I've got there Christmas Album in my car. When these guys sing you have to smile.