- Stars: Stephan Knpfer, Pierre-Laurent Aimard, Lang Lang, Till Fellner, Christoph Koller, Alfred Brendel, Ian Bostridge, Hyung-Ki Joo, Christoph Claen, Tobias Lehmann, Marita Prohmann, Rudolf Buchbinder, Aleksey Igudesman
- Release Date: November 19, 2009
- Run Time: 93 min
- Genre: Documentary, Music
follows Stefan Kn?pfer, a piano tuner from Steinway and his famous clients Lang Lang, Brendel, Buchbinder and Pierre-Laurent Aimard as they search for the perfect pitch. Truly an unusual and entertaining peak behind the curtain at the worlds great concert halls.