Upplýsingar frá listasamtökum (staðfest af Operabase)
John Axelrod, Symphonieorchester & Chor der Kunstuniversität Graz, Thomas Quasthoff by Schoenberg, Arnold, Milhaud, Stravinsky, Frá (2025/2025), Hljómsveitarstjóri John Axelrod, Musikverein Graz, Graz, Austria