Echa II
Subtitle: (quasi improvvisazione) na 1-4 fortepianów, perkusję i taśmę magnetofonową. Echoes II, for 1 to 4 pianos, percussion, and magnetic tape
Publisher: Polskie Wydawn. Muzyczne
Published: 1965
Place of publication: Kraków]
Number of pages: 41
Subjects: Percussion and piano music; Musique concrète
Other titles: Echoes II.
Work titles: Echa, no. 2