Hmm... best song? Not sure. But here are a few of my absolute favorites from youtube:
At Least Thats What You Said -http://www.youtube.com/watch?v=XT8LXQFlIi8
Spiders (Kidsmoke)-
http://www.youtube.com/watch?v=Iu6f4dAaXpc
Outta Sight (Outta Mind)-
http://www.youtube.com/watch?v=YcaGlJGijj0
Bull Black Nova-
http://www.youtube.com/watch?v=6pMJpLEXrT4
Kamera-
http://www.youtube.com/watch?v=eS4HQxP0kQ0