Upplýsingar frá listasamtökum (staðfest af Operabase)
International Conductor's Contest winners by Donizetti, Frá (2021/2021), Leikstýrt af Slavcho Nikolov,, Hljómsveitarstjóri Florian Engelhardt, Arnaud Pairier, David William Spiro, State Opera Stara Zagora, Stara Zagora, Bulgaria