I love gradual changing music games like this. I'll have to try this one out with some players the next chance I get.
From now on, I have to try to remember to video record my music game sessions. That way I can put up the results in the comments section here. I'll do that for this game. It'll be fun, and educational, to see how other people play your games!
Convergent Ostinato / Discussion
This is the discussion related to the wiki page Convergent Ostinato.