Informace od umělecké organizace (Ověřeno Operabase)
«Orenburg Seasons Of Denis Matsuev», Hibla Gerzmava, Alexander Knyazev, Alexander Sladkovsky by Shostakovich, Tchaikovsky, P. I., Od (2012/2012), Dirigent Alexander Sladkovsky, The Concert Hall Of The Orenburg Regional Philharmonic Society, Seville