What this brings forth is yet another notch on the "video games as art" debate that keeps rearing it's ugly head. I certainly hope that we see this happening more frequently and would love for them to finally include video game music in the categories for the Grammy's. It is great that this won at all, but the fact that there is still no category for video games in an industry awards show for something that has such a huge influence on music and is so heavily influenced by music makes no sense to me.
Here is a Video Games Live performance of the song, which is also credited for bringing much attention to it to begin with.