附註:The 1st work for soprano, piano, orchestra and tape; the 2nd for piano; the 3rd for magnetic tape.
Compact disc.
Digitally remastered analog recordings.
Durations: 29:58 ; 13:58 ; 19:51.
Texts in Spanish with English, German and Italian translations (1st work) and in Italian with English, German and French translations (3rd work), and program notes in German with English, French and Italian translations (31 p.) inserted in container.
