Blind autistic man stuns the music world

Derek Paravicini was born prematurely 32 years ago, and doctors did not think he would survive.

He is blind and severely autistic, but has a unique talent that has stunned the music world - he can play any piece of music after hearing it only once.

Now he is to make make musical history when he performs a concerto written especially for him at London's Queen Elizabeth Hall.

Tim Muffett met him.