Stephen Walker, director of 'A Boy Called Alex', talks about the cooperation he received from Alex's family while filming.<br /><br />The documentary follows Alex Stobbs, a musical prodigy, as he embarks on his dream to conduct Bach's epic choral work, the Magnificat at his school Eton College.<br /><br />Diagnosed with cystic fibrosis at birth, Alex has an increasingly difficult struggle to achieve his goal, but meets his challenge with remarkable energy and determination.
