Upplýsingar frá listasamtökum (staðfest af Operabase)
V International Festival named after S. Rakhmaninova «The White Lilac», Boris Berezovsky, Alexander Sladkovsky by Vasilyevich Rachmaninoff, Frá (2015/2015), Hljómsveitarstjóri Alexander Sladkovsky, Saydashev State Great Concert Hall, Kazan’, Russia