I came across this awesome piano duo via Great White Snark:
Awesome Star Wars rendition:
I also loves this rendition of Rondo all Turca
You can see a ton more about Anderson and Roe at their website.
Check out my latest book, the essential, in-depth guide to performance for all .NET developers:
Writing High-Performance.NET Code, 2nd Edition by Ben Watson. Available for pre-order: