Hey guys,
There`s this really good site if any of you are interested for free piano sheet music for her stuff, http://www.geocities.com/BourbonStreet/Delta/5149/music/teenspirit/page1.html
It`s not the exact piano music but I haven`t had any problems with it so far.
Let me know how you like it, and if any of you know of any other good piano music sites!