- alam al-mithal (1994), 24:00string quartet
- Alap et Gat (1998), 15:00orchestra
- Albrythin’sche Brythnali (1991)violin and 2 cellos (all with scordaturas)
- horn, cello and piano
- Alchera (1972-73), 15:00mezzo-soprano, flute (piccolo), clarinet, trombone, violin, cello, electric organ (Hammond), fixed medium and lights
- L’alchimie de Psyché (2007), 13:00viola da gamba and processing
- Aléa (Le sort) (2002), 7:00voice and orchestra
- Alexandra et des paysages imaginés (2020), 9:38multichannel fixed medium
- Algorythme (2004), 8:40nay (or flute), orchestra and 2 percussions
- Alice & friends (1990), 23:00flute, percussion, soprano, violin and cello
- Alice au pays des merveilles (2003), 45:00orchestra and fixed medium
- Alien Lands (2011)4 percussions
- Alighieri (2003), 18:00orchestra and saxophone quartet
- All 32 Beethoven Sonatas (2008), 1:00pianoCycle: One Minute More
- all over again (2004), 1:00installationfixed medium
- All the borrowed future (2018)
- All Thumbs (1991)clarinet, trumpet, piano, percussion and double bass
- Alleluia (1989)voice and piano
- Aller-retour (1988)flute, bass clarinet, horn, English horn, trumpet, trombone, 2 percussions, violin, cello and double bass
- Alma & Oskar (1995), 9:30voice and piano
- Alma & Oskar (1995), 9:30Arr. John Rea, 1996 [original work]mezzo-soprano, tenor and orchestra
- Alma & Oskar (1995), 9:30Arr. John Rea, 2001 [original work]soprano, baritone and small ensemble
- Alma & Oskar (1995), 9:30Arr. John Rea, 1995 [original work]mezzo-soprano, tenor and piano
- Alonetogetherall (1992), 18:00clarinet, trumpet, piano, percussion and double bass
- Alter-Face (2004), 10:00
- Alternance (1961-62)6 percussions
- Altus (2004-05), 9:00small ensemble
- Alvéoles (2005)
