Sarah didn't feel much like practicing the piano anyway, so she's delighted when a strange man appears and starts playing her piano. As he introduces himself and starts telling his story, she realizes that he is the great composer, Johann Sebastian Bach. Mr. Bach describes the life of a boy growing up in a large and musical family, and how he came to be the most famous composer in all of Europe. Charmingly narrated, with excerpts from many great works of Bach.