1930-1994 1930-2019 1937- 1943- 1947- andré composers ekimovskiĭ faradj historyandcriticism karajev karamanov karetnikov ledenev music nikolaĭ sergeĭmikhaĭlovich slonimskiĭ sovietunion sylʹvestrov tarnopolʹskiĭ v valentynvasylʹovych