Someone asked for these in another thread. This is the sheet music for Classical Gas by Mason Williams (also done later by Eric Clapton). It's a beautiful piece and worth spending a few days on learning.
Clicking on the links will bring up a window which takes a lot of time. The best thing to do will be to right click--> Save Target as..... and then view it from your hard disk since you can then adjust the size accordingly. There are 3 pages:
I don't think there can be any mistakes really except for minor ones because these are the "official" compositions.