A documentary record of the stage performance of the piece titled "Piętawka" played by the Zbigniew Namysłowski quartet: the leader (alto saxophone), Włodzimierz Gulgowski (grand piano), Tadeusz Wójcik (double bass), Czesław Bartkowski (drums). The modern composition corresponds to the geometric, rhythmic stage design in the background. The film is part of a bigger project - a music documentary titled "Jazz in Poland" directed by Janusz Majewski.