Play by Peter Ustinov, about a return to the modern world by Beethoven, who knocks on the door of a London music critic. He is fitted with a hearing aid, and l istens in horror to his works. The critic wishes Beethoven to complete his tenth symphony, and one night the piano emits a few notes by itself.

A Londres, de nos jours, l'irruption surnaturelle, cocasse et fantastique, de Ludwig van Beethoven dans la vie du plus grand critique musical anglais, va servir de révélateur aux pulsions les plus drolatiques, les plus surprenantes et quelquefois les plus sensibles de toute la famille et les amis dudit critique.