“Sigma” (1963) for orchestra. “Lied” (1969) for 39 strings and 18 voices. “Oral” (1967) for performer and big orchestra. “Miniatures pour Lewis Carroll” (1964) for recorder, violin, harp and percussions. “Vox, vocis, F.” (1979) for 3 woman voices and 9 instruments. “Arco-I” (1987) for cello. “Dodecameron” (1970) for 12 voices.