These are some of my favorite renditions. Speaking of renditions, I think Martin did a surprisingly tasteful rendition of the national anthem. I don't understand the law. If you know the words by heart, however it's sang by whoever, it's still the national anthem. It's meant for you to think of your country.
Anyway, listen to these:
(sigh...it takes a while to load w/ smartbro, will post more vids later)