unpubl.
unpubl.
10'; unpubl.; UA: Domaine musical, Semaines Internationales de l'Unesco, 12 october 1960, Marcelle Mercenier - piano
10'-25' (variabel); UA: Festival International d'Art Contemporain de Royan, 22.3.1970, Catherine Collard - piano
7'-20' (variabel); Cycle Pages of Anarchipel, work extracted of Anarchipel
UA: Metz, Rencontres Musicales Internationales, 22.11.1976, Herbert Henck - piano
10'; UA; St-Germain-en-Laye, dans le cadre du Concours, 25.4.1983, State commission for the Concours International de piano de St-Germain-en-Laye 1983
21' (variabel); 1974-1975; UA; Lisboa; 7.5.1975, Orchestre de la Fondation Gulbenkian, Claude Helffer - piano, Michel Tabachnik - conductor; dedicated "A Claude Helffer"
10'; for clarinet, harp and piano; Royan, 5.4.1966; Guy Deplus, Francis Pierre, Claude Helffer; dedicated to Luciano Berio
11'; for two pianos and two percussions (or two solo pianos); UA: 31.31967; Idil Biret, Georges Pludermacher, Jean-Claude Casadesus, Jean-Pierre Drouet
4'; for clarinet in A and percussion or piano; UA: 6.4.1971, Guy Deplus, Jean-Pierre Drouet; dedicated "A la mémoire de Jean-Pierre Guézec"
20'; for five brasses, piano and two percussions; Audincourt; UA; June 1982, Quintette de cuivres Arban - Cyril Huvé, piano
12'; for clarinet (in A and Bb) & piano; UA: Festival de Prades, 8.8.1984, Michel Lethiec, Denis Weber; dedicated "A Michel Lethiec"
14'; for soprano, piano, 2 gongs (played by the pianist) and tape; text: Hélène Cixous
7'30''; for soprano, flute (and flute in G) and piano; text: Michelangelo Buonarroti; UA: Paris, Présences 96, Maison de Radio-France; 3.2.1996, Martine Surais, Thomas Prévost, Catherine Cournot
7'; rev. 1958; for flute (also piccolo), clarinet and harpsichord; unpubl.; 12.8.1959, Severino Gazzelloni, Guy Deplus, Marc Wilkinson