violin - Reflections / Lament (2000)
revised for
cello (2003)
flute - Intersections (1998)
bass flute - Impromptu (1985)
piano - Spring Thaw (1996), Sondas Sonoras (1995) , Eight Daydreams (1985)
voice (mezzo-soprano) - Laughter for the Living (1982/6)
carillon - Pavillons en L'Air (1983 /1998)
flute, guitar, support media - Linear LR (2001)
cello & piano - Underground Streams (1991)
2 violins - MostELinODatiIES (1985)
flute, clar, piano-Just a minute (2012)
violin, bass, percussion - Back on the Outside (1986)
string (violin, viola, cello) - String Trio (1984)
saxophone (alto, tenor, baritone) - Dance Suite II (1983/86)
flute, viola, guitar - Dance Suite I (1980)
flute, clarinet, cello - Five Little Pieces All in a Row (1979)
3 violins - Algonquin (1977)
string (2 violins, viola, cello) - String Quartet I (1997)
piano, violin, viola, cello - Ambar (1999)
trumpet,clarinet, harp, percussion - The Magellanic Clouds (1984)
4 double basses - Dreams of Dancing (1998)
alto sax, bass, 2 percussion - Geranium Lake/Raw Sienna (1979)
piano, 2 violins, viola, cello - Reflections/Refractions of an Irregular Pearl (1980/3)
2 violins, viola, cello, double bass
Poly I
(1989)
brass (2 trumpets, horn, trombone, tuba) - Partly Cloudy (1978), Designs in Brass (1987), Lalia (1988/2000)
5 timpani - ...more or less... (1988)
orchestra – Iberian Trails (2017)
mixed large ensemble – Prelude: Under Pressure (2014)
mixed - Magh Mell (2010)
2 pianos (6 hands), 2 fl, 2 vlns The Back Garden (2004)
(arr. Poly I) Poly Ia (2003)
mixed ensemble - The Luxembourg Necklace (2002)
brass - Tremors in the Fens (1992)
wind symphony - The Emperor's New Music (1986)
mixed - T'Heterophone Game (1984)
chamber orchestra & harpsichord - Unravelling (1982)
orchestra - Percolating (1984)
choir ( a cappella)- Shifting Perspectives (1980/3)
mixed - Cityscape (1980)
musique concrète
Fragments of Memory (2010)
Eddies in the River of Memory (2002)
The Leonids (1979)
Old Wave (1985)
Bits & Pieces (2001)
computer music
Interlocking (1985 - NEDC)
analogue synthesizer
Triptych (1980 - Arp)
Recurring Daydream (1982 - Buchla)
Swatting Flies (1983 - Buchla)
Here & There, a Crack (1985 - Buchla)
digital synthesizer
The Fish Weren't Jumping (1988 - Yamaha DX7)
Subterranean (1988 - DX-7)
Under the Microscope (1988 - DX-7)