• 9 Lieder with lyrics by Joseph Von Eichendorff and Hermann Hesse (1943)
• Vom Leben und Sterben des Hirten Kaedmon, oratorio
• Miniaturen, for oboe, bassoon and cimbalom
• Magna Voce Ad Dominum Clamo, for singer and orchestra
• Lieder für neuapostol, songs for choir (1948–54)
• Sonate, for clarinet and piano (1956)
• Ariadne in Zürich, for clarinet and piano 4 hands (1957)
• Concerto, for jazz quartet and string ensemble (1961)

At Centre de Recherches Sonores, Geneva

• Suisse Vigilante (music for Expo '64, Lausanne), for tape (1963)
• Éclipses, for tape (1964)
• L'Art de la Table, for tape (1964)
• Flüsterbogen, background or exhibition music (1964)
• La Porte Noire, radiophonic work (1964)
• Zéa, radiophonic work (1965)
• Entretiens, for tape (1965)
• Mystic Puzzle II, for tape and jazz orchestra (1965)
• Mystic Puzzle III, for tape and saxophone (1967)
• Les Vêtements de la Demoiselle, for tape (1967)
• Entretiens Solitaires, for speaker, 9 instruments and tape (1968)
• Anima ou Les Rêves de Damien, for tape (1968)
• Illumination (music for Expo '70, Osaka, Japan 1970), with André Zumbach (1969)
• Kyoto, for tape and instruments (1970)
• Thai Clarinet, for clarinet and electronic (1970)

At Instituut voor Sonologie, Utrecht

• Hydrophonie I, for tape (1969)
• Consolations, for tape (1984)
• Dialogue II, for tape and gamelan orchestra (1984)
• Dialogue III, for tape (1984)
• Dialogue, for tape with gamelan orchestra (1985)
• Champs Magnétiques Ritournelles, for tape (1985)
• Ritournelles, for soprano and computer (VOSIM software) (1987)