Here's a video that's supposedly of Geir Haarde singing Frank Sinatra's "Saying Something Stupid":
http://www.youtube.com/watch?v=KN2X1Jk7Htw&feature=response_watch
Is that the real Geir Haarde? Because there's another Youtube video that's a spoof of Haarde from some comedy show, in which the fake Haarde sings "Don't Worry, Be Happy". Haha...