Upplýsingar frá listasamtökum (staðfest af Operabase)
La-chaux-de-fonds, Konzert Salle De Musique - Kian Soltani, Gregory Ahss by Schumann, Mendelssohn, Frá (2023/2023), Hljómsveitarstjóri Gregory Ahss, Salle de Musique, La Chaux-de-Fonds, Switzerland