Pianomania takes the audience on a humorous journey through the secret world of sound and accompanies Stefan Knüpfer in his extraordinary work with the greatest pianists in the world. To select the instrument that corresponds to the vision of the virtuoso, according it to his desire and accompany him until he goes on stage, Stefan Knüpfer has developed nerves of steel, a boundless passion and above ability to translate words into sounds.

A grand piano, wrapped in foil in an attic surrounded by mountains. The instrument is disassembled and reassembled, the interlocking of keys, hammers, and strings carefully examined and observed. Sasha Pirker portrays the work of piano tuner Stefan Knüpfer as an inexhaustible diversity of hand movements. And the precision of the preparatory work for the desired sound experience.