Rozedrgranie (2006) ; for two pianos - Zych, Wojciech Ziemowit 1976-; Knittel, Krzysztof; Smolka, Martin 1959-; Skrzypczak, Bettina 1962-; Huber, Klaus 1924-2017; Knittel, Krzysztof; Smolka, Martin 1959-; Skrzypczak, Bettina 1962-; Huber, Klaus 1924-2017 (Sound chronicle of the Warsaw Autumn 2007, 2007)