अपनी भाषा में प्लॉट जोड़ेंPianomania follows Stefan Knüpfer, 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 ... सभी पढ़ेंPianomania follows Stefan Knüpfer, 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 peek behind the curtain at the world's great concert halls.Pianomania follows Stefan Knüpfer, 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 peek behind the curtain at the world's great concert halls.