I'm sorry but I had to post this. Definitely one of the funniest things I've seen in a while. The guy plays guitar quite well but the singing....eh, I'll leave that up to you. If you had a bad day then this should definitely cheer you up.
"I was stew in the stair..."
By the way, be sure to read some of the comments as well. My favorite is "leave it to us irish please." Enjoy!
http://www.youtube.com/watch?v=0nzeSLlVbPo 
