Arte erakundearen informazioa (Operabase-k egiaztatua)
NOSPR / The 100th Anniversary Of Witold Rowicki Birth And The 25th Anniversary Of His Death by Bolesław Szabelski, Shostakovich, Kilar, Noiztik (2014/2014), Zuzendaria Michał Klauza, NOSPR, Katowice, Poland