Whisper Study (1975-79) for two-channel tape Codex Purpureus (1968-1983) for string trio Music for Piano 53-63 (1956) Roots and Vibrations (1994) Solar Orchestra (1982/90) installation with self playing instruments Music For Piano 78-84 (1956) from 20 Canti Del Capricorno (No. 1, No. 4) (1962-72) for voice (and additional instruments) from Jû-Jû-Shin (1986) for 15 Buddhist monks (1. Ishoteiyoshin, 4. Yuinunmugashin, 7. Kakushinfushoshin, 10. Himitsushogonshin) A Hall is All (1985) sound installation 16-page booklet includes notes in German and English