Experience Histoires sans paroles – Harmonium symphonique as a purely symphonic performance with no amplification or staging, in a hall renowned for its superb sound quality. Harmonium’s music in its purest expression, played by a world-famous orchestra at the height of its powers, in a landmark performance that will go down in history. The concert set-up is by Marcella Grimaux (Noisy Head Studio). The project was produced by Nicolas Lemieux (GSI Musique), who is also its artistic director.