What people think improvisation is and non-improvisation is, it's nothing to do with what you like or dislike. It's all about how it happens with certain directors and certain scenes. That's the way it works. It's not something, in general, that you can decide.
Isabelle HuppertBut it wasn't just a technical approach towards the piano, studying the music for this film was also a way of approaching the soul of the film, because the film is really about the soul of Schubert and the soul of Bach.
Isabelle Huppert