Libuše Márová, Jan Hlavsa, Alena Míková, Jaroslav Horáček, Pavel Kühn, Vladimír Válek, Kühn Mixed Choir, Symphonic Orchestra AUS VN, Libuše Márová, Jan Hlavsa, Alena Míková, Jaroslav Horáček, Pavel Kühn, Vladimír Válek, Symphonic Orchestra AUS VN, Various Artists的 1ST operatic exchange of czech composers of the 1970S