2003 Victoria Regina ( 7' ); for flute, clarinet, violin and violoncello. P
2001 Per quanti? III ( 5' ); for alto flute, harp and percussion. P
1998 Two Mediterranean Dances ( 11' ); for 8 violoncellos. P
1998 Golliwog's other dances ( 12' ); for clarinet, trumpet and bassoon. P
1997 Ackermusik ( 7' ); for piano trio. P audio
1997 Sandsandsnaresandsizzles ( 2' ); for 3 percussionists. P
1996 ¿Que pasa en la calle? ( 15' ) ; for 4 trumpets. P
1996 Fanfare ( 1' ) ; for 9 brass instruments and percussion. D
1995 Laps ( 11' ); for ensemble. P
1994 Two pieces on canons by Guillaume de Machaut ( 5' ); for saxophone quartet. P
1994 Amsterdam Tango ( 8' ); for violin, bandoneon, viola, violoncello, double bass and piano. P
1993 arr. 1994 Two pieces on canons by Guillaume de Machaut ( 5' ); for mandoline, guitar, harp and
bass clarinet resp.clarinet. P
1993 Two pieces on canons by Guillaume de Machaut ( 5' ); for flute quartet. P
1992 Cycles ( 12' ); for clarinet, violin, violoncello and piano. P
1992 Lerchen-Trio ( 9' ); for clarinet, violoncello and piano, in memoriam Olivier Messiaen. P
1991 Drones ( 9' ), for violin and piano. P
        (Drones, Cycles and the Lerchen-Trio form in this order a trilogy)
1990 Passacaglia alla Turca ( 4' ); (1990) for 8 instruments. Ms
1988 Plus One ( 12' ); for flute, bass clarinet and piano [1981-1988]. P
1986 Back Bay Bicinium ( 12' ); for 7 instruments. P
1981 Venus and Adonis suite ( 14' ); for 5 instruments. D
1980 Nonet ( 17' ); for winds, percussion, piano and double bass. D
1980 Venus and Adonis ( 65' ); for ensemble, music for a theatre production after a poem by William Shakespeare. Ms
1979 Voor Jan, Piet en Klaas ( 5' ); for 2 pianos 8-hands. D
1974 Prelude ( 5' ); for 6 percussionists. D
1974 Timbo ( 13' ); for percussion group (6 players). D
1974 The Nightingale( 35' ); for ensemble, music for a theatre version of the tale by Hans Christian Andersen. Ms
1971 Music for bass clarinet and piano (8'30'') .D
1968 Tre Pezzi ( 5' ); for piccolo clarinet (in Eb), clarinet (in b) and bass clarinet (in b). D
1964 Three Pieces for youth ensemble. D
1961 String quartet ( 7' ). D

Any combination of instruments
1972 Aulos ( 4' ). D