Upplýsingar frá listasamtökum (staðfest af Operabase)
Concert on the Anniversary of Delchev's Death by Mozart, Sibelius, Grieg, Händel, Mascagni, Beethoven, Offenbach, Bizet, Frá (2021/2021), Hljómsveitarstjóri Hristo Hristov, Macedonian Philharmonic (Филхармонија на Македонија), Skopje, Macedonia