- Ionisation (1931)13 percussions
- Ire (1992)flute (bass flute), bassoon, alto saxophone, 2 horns, English horn, piano, 2 percussions, 3 cellos and 2 double basses
- Iridescence (2020), 10:08multichannel fixed medium
- Irons (2009-10), 13:00saxophones, contrabassoon, percussion and strings
- Ishuma (1973), 15:00voice, trombone, synthetizer, ondes Martenot, Hammond organ, 3 percussions and violin
- Iskra (2004), 9:24saxophone quartet
- Iterations (2014), 60:002 ‘silent’ techno DJs and 9 musicians, video and speakers
- Itinerant: In Memory of Isamu Noguchi (1989), 7:00flute
- violin