K
^^Good Points^^
A funny little twist on the old classic "Happy Birthday" song. I found the music a little funny, never expected that remix. I liked the headbanging animations too, they looked pretty good. Good job on the drums and guitar.
^^Needs Improving^^
One thing I noticed was that this was very hard to see most of the time. Your backgrounds seemed to all blend together since they were all really dark shades of whatever color. I know you are trying to get a mood across, but it's not good if someone can't see what the hell is going on.