Or Rhythm Tengoku to those who played the original (myself included!)
Anyone played it? Anyone giggled despite themselves from the absolute silliness of it all?
And if you haven't, here's a preview.
http://www.gametrailers.com/player/47741.html
Seriously, if you have a DS, you need this game. If you don't have a DS, get a used one or borrow a friend's. You can even steal one and have all sorts of fun while you wait in jail. Just buy the game already.