If one wanted to make a biographical feature film about a classical musician, the life of the Bulgarian-American-French pianist Alexis Weissenberg would furnish ideal subject material. Born in Sofia in 1929, Weissenberg was taught to play the piano by his mother. Several members of her family were Vienna Conservatory-trained musicians, and Weissenberg grew up in an environment where the sight-reading of chamber music was as common as watching television is for most children today. His second piano teacher was a disciplinarian dentist, his third Bulgaria's top composer and peda...