Really cool take on the old Tetris, and stacking games. The physics works really nice and make the game harder but still simple. And I think that the pieces should be a little easier to interlock since they seem to fit nicely with each other. 4/5
I have no words to describe the feeling I get from playing this game, it's addictive, really simple, beautiful and the first music-based game I saw on Kongregate which is not based entirely on Psy, Trance or other music like this, which make this game unique.
5/5
But there's still room for improvements, like harder levels, more bonuses and bonus-stacking, like jonathanasdf said, but the best PONG-like game i've played. ^^
thanks a lot :D