Aleatoricism? (Randomness) That is the toughest thing to do. Certainly one can do this and appeal to an academic audience. And if that is your goal the presentation is very good, restrained, and done with a sense of balance. But to appeal to a wider audience, there must be something the listner can focus on beond a group of timbres arrancged on a keyboard. The rating I give this is based on the genre in context, but I admit that this is hard to listen to and would not be something I would go out of the way to seek out.