Daria Semegen (27 giugno 1946): Electronic Composition No. 1 (1971).
Daria Semegen: Spectra (Electronic Composition No. 2, 1979).
Daria Semegen (27 giugno 1946): Electronic Composition No. 1 (1971).
Daria Semegen: Spectra (Electronic Composition No. 2, 1979).
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