Dhammaruwan: Pirith chanting

I imagine this has been posted more than once but for the benefit of those who have not heard of Dhammaruwan. As a young boy (< 4 years old) he spontaneously chanted long Pāli suttas in their entirety in an early and almost extinct dialog. An ability he lost as he aged.

http://youtu.be/c0sfkJ4gH8o