Upplýsingar frá listasamtökum (staðfest af Operabase)
Rustic Chivalry by Mascagni, Pagliacci by Leoncavallo, fös 21 jún 1968, Frá (1967/1968), Leikstýrt af Wolf-Dieter Ludwig, Paul Hager,, Hljómsveitarstjóri Hans Swarowsky, Wilhelm Loibner, Wiener Staatsoper, Vienna, Austria