For string orchestra (duration: 10')
For eight speaking voices (duration: 11'25")
For magnetic tape (duration: 11'25")
First realization in the Groupe Informatique-Musique of the University of Montréal (1971)
Second realization (version Luminy) in Jean-Claude Risset's laboratory of the UFR of the Luminy Campus of the Aix-Marseille University (1976)
For clarinet and magnetic tape, realized in the McGill University Electronic Music Studio (duration: 6')
Tape part revised in IRCAM (1987)
For two guitars (duration: 4')
For organ (duration: 5'30")
For string orchestra (duration: 15'), commissioned by the Canadian Broadcasting Corporation
Family of of three magnetic tape pieces (durations: 8' each). Realized in the Utrecht University Instituut voor Sonologie
Maximal contrast cycle for solo clarinet (duration: 10'37")
Radiophonic piece for instruments and texts by Le Corbusier (duration: 18'). Realized in the Stockholm Elektronmusikstudion. Commissioned by the Canadian Federation of University Women
Maximal contrast path for solo flute (duration: 15'20")
For organ and one percussionist (duration: 14')
Cycle for magnetic tape (duration: 25'). Realized in IRCAM
For brass quintet, one percussionist and texts by Leonardo da Vinci on magnetic tape (duration: 14'). Commissioned by the Canada Council for the Arts for the Société de musique contemporaine du Québec
For one percussionist and magnetic tape (duration: 24'). Realized in IRCAM. Commissioned by the Canada Council for the Arts for percussionist Robert Leroux
For magnetic tape (duration: 14'15"). Reworking of the tape part of The Other Shape
For two harpsichords (duration: 13')
For solo flute (duration: 5'). Publisher: Éditions Henry Lemoine, 1997 (collection Pierre-André Valade > seach "Lorrain")
Electroacoustic: recorded piano emulator (duration: 13'34")
Electroacoustic: recorded piano emulator (duration: 23'55")
Electroacoustic: recorded piano emulator (duration: 33'12")
Electroacoustic: recorded piano emulator or MIDI piano e.g. Disklavier (duration: 22'40")
Electroacoustic: recorded piano emulator or MIDI piano e.g. Disklavier (duration: 7'15")
Electroacoustic: recorded piano emulator or MIDI piano e.g. Disklavier (duration: 20'54")
Electroacoustic: recorded piano emulator or MIDI piano e.g. Disklavier (duration: 13'40")
Electroacoustic: recorded piano emulator or MIDI piano e.g. Disklavier (duration: 22')
Electroacoustic: recorded piano emulator or MIDI piano e.g. Disklavier (duration: 13')
Electroacoustic: recorded piano emulator or MIDI piano e.g. Disklavier (duration: 14')
Electroacoustic: recorded piano emulator or MIDI piano e.g. Disklavier (duration: 16')
Electroacoustic: recorded piano emulator or MIDI piano e.g. Disklavier (duration: 14')
Electroacoustic: recorded piano emulator or MIDI piano e.g. Disklavier (duration: 13')
Electroacoustic: recorded piano emulator or MIDI piano e.g. Disklavier (duration: 17'30")