Stefan Knupfer, chief technician and piano tuner employed by Steinway & Sons, works directly with the great pianists of the world as they prepare for important concerts or recordings. Among them: Pierre-Laurent Aimard, with whom he takes a year to prepare for the recording of "The Art of Fugue" by Bach.
|Director:||Lilian Franck, Robert Cibis|
|Studio:||Cinéma Du Parc|
|Producer(s):||Lillian Franck, Robert Cibis|
|Cast:||Stephan Knüpfer, Pierre-Laurent Aimard, Lang Lang|
|Writer(s):||Robert Cibis, Lillian Franck|