- elec ircam Ircam cursus Oba 'loube oba 'ye for guitar and electronics, 8 mn, Inédit , Chañaral Ortega-Miranda
- elec ircam Objet 1 for ensemble, 13 mn , Dmitri Kourliandski
- elec ircam Objet 2 for ensemble, 13 mn , Dmitri Kourliandski
- elec ircam Ircam cursus Objet-Objet for theorbo, electronics and video, 12 mn, LondonHall Editions , Arturo Fuentes
- elec ircam océan for soprano, large ensemble and electronics, 20 mn, Bärenreiter
[program note]
, Philipp Maintz
- elec ircam stage Octa 7 for harp and electronics, to a choreography by Olivia Grandville, 20 mn
[program note]
, Raphaël Cendo
- elec ircam Odyssey for voices, ensemble and electronics, 1 h 15 mn, Peters
[program note]
, Roger Reynolds
- elec ircam OFELIA for large ensemble, motorised piano and four loudspeakers, 22 mn, Ricordi , Lisa Streich
- elec ircam Ogni parola della tua bocca for four female voices, eight male voices and electronics, 15 mn
[program note]
, Andrea Sarto
- elec ircam ON AIR , Manuel Poletti
- elec ircam On that April morning she rose from her bed and called for female voice, ensemble and electronics, 25 mn, Ricordi
[program note]
, Daniele Ghisi
- elec ircam stage On-Iron musical show, for solo voices, mixed choir, percussion, electronics and video, 1 h 30 mn, Durand , Philippe Manoury
- elec One Evening... for soprano, mezzo-soprano, ensemble of eight instrumentalists, two technicians and electronics, 35 mn, Faber Music , Jonathan Harvey
- elec ircam Opera Bianca mobile sound installation, for soprano, haute-contre, violin, viola and electronic device, 60 mn, partition retirée du catalogue
[program note]
, Brice Pauset
- elec ircam Operspective Hölderlin for soprano, string quartet, electronic device and WFS projection, 25 mn, édition du compositeur
[program note]
, Philippe Schœller
- elec ircam Ircam cursus Orbit for midi piano, timée and electronics, 10 mn, Inédit
[program note]
, Vassos Nicolaou
- elec ircam Ircam cursus OROC.PAT for zarb and electronic device, 13 mn, Inédit
[program note]
, Roland Auzet
- elec ircam Ircam cursus Orpaillage for percussion and electronics, 9 mn 30 s
[program note]
, Mathieu Bonilla
- elec ircam Ircam cursus Os for voice and electronics, 6 mn, Inédit
[program note]
, Paola Livorsi
- elec ircam Otemo for vibraphone and electronics, 10 mn, Inédit
[program note]
, Vassos Nicolaou
- elec ircam Outer Space for electric guitar, piano, saxophone, percussion and real-time electronics, 13 mn , Javier Elipe Gimeno
- elec ircam Over the sea for accordion, string trio and electronics, 22 mn, Lemoine
[program note]
, Edith Canat de Chizy
- elec ircam Ircam cursus Overlook Hotel for accordion and electronics, 12 mn, Suvini Zerboni
[program note]
, Luca Antignani