Dark Upon the Harp (1961–1962), for mezzo-soprano, brass, and percussion. Setting of texts from the Biblical Psalms.
String Quartet No. 2 (1966)
Animus I (1966–1967), for trombone and electronic tape
Animus II (1967–1968), for mezzo-soprano, percussion and electronic tape
Animus III (1968), for clarinet and electronic tape
Incenters (1968), for 13 Instruments
Valentine (1969), for solo contrabass
Synapse (1971), for tape
Windows (1972), for orchestra
Lamia (1975), for mezzo-soprano and orchestra. "The texts," according to the composer, "range from the most terrifying damnings of ancient witches to the most innocent folkloric dream-conjuration of provincial maidens."
Aureole (1979), for orchestra
Prism (1980), for orchestra
String Quartet No. 3 (1981)
Vox Humana (1983), for chorus and orchestra
Reflections on the Nature of Water (1986), for solo marimba