1st of June 2025: Clavemusicum in Sion
On the 1st of June, Johannes Keller performed with Anne Kirchmeier and Véronique Dubuis in the Basilisque of Valère in Sion. The Clavemusicum Omnitonum was played together with prototypes of fissure flutes after drawings by Leonardo da Vinci, and with the world's oldest playable church organ, located in the Basilisque.
