So yeah this shit's pretty fun.

http://www.youtube.com/watch?v=iHqIsFHFGrQ

If you don't recall the music piece at 1:35 then I'd be shocked.

http://www.theatrhythm.com/#!/us/
Official Site.

Game turned out to be a lot more fun then I expected.

Oh come on SE, what are you doing here. Don't do this to me, don't do it! You %#(@, darnit you planned this all along, plant a seed in my memories then attack the weak point years later for massive damage

So, where do I sign?

The part where it started looking cool was at 3:13 when it shows cutscenes of the games in the background.