I don't assume any pre-existing "universal grammar".
What I do assume is a pre-existing classification of sounds into language and non-language. This hypothesis is somewhat confirmed by the recent results as described at http://www.cell.com/neuron/fulltext/S0896-6273%2815%2901071-... (and see http://whatismusic.info/blog/IPredictedTheExistenceOfCompone...).
I don't assume any pre-existing "universal grammar".
What I do assume is a pre-existing classification of sounds into language and non-language. This hypothesis is somewhat confirmed by the recent results as described at http://www.cell.com/neuron/fulltext/S0896-6273%2815%2901071-... (and see http://whatismusic.info/blog/IPredictedTheExistenceOfCompone...).