ヨーク・ヘラー
Fünf Stücke, for piano (1964)
Diaphonie, for two pianos (1965, rev. 1974)
Drei Stücke, for string quartet (1966)
Herr, es ist Zeit (text: Rainer Maria Rilke), for soprano, flute, harp, harpsichord, celesta, and string quartet (1966)
Topic, for large orchestra (1967)
Sonate informelle, for piano (1968)
Sonata, for solo cello (1968)
Epitaph für Jan Palach, for violin and piano (1969)
Piano Concerto no. 1, for piano and orchestra (1970)
Horizont, electronic music (1971–72, rev. 1975)
Décollage, for two speaking choirs, electric guitar, electrically amplified cello, electronic organ, and tape (1972)
Tangens, for cello, electric guitar, piano, electric organ, and two analog synthesizers (1973)