The Conqueror Worm (pol. 'Robak zdobywca', 1976) – electronic music on tape, composed based on an Edgar Allan Poe poem. The composition is based on electronic sounds and electronically processed sounds of violin and trombone.
Premiere: Youth Festival organised by the National Philharmonic, Stodoła Hall of the Central Club of Warsaw University of Technology Students (18 March 1976).
Two versions of the piece are presented below - form 1974 and 1976 respectively.