What Is Your Favorite Song Sung In A Foreign Language?

Mine is the amazing "Rusty Nail" by X Japan. I will have to add the link after I post the Q, cause Yahoo is having spasms about that today, grrr

What is Yours?

And as a bonus, does it bother you to listen to a song when You have no idea what the lyrics mean? Is that important to You, and why?
Update: Rusty Nail by X Japan
http://www.youtube.com/watch?v=U7xYnkQ5TNQ
Update 2: That's my favorite Can song Erowid
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