Records by the pioneering French public centre in electro-acoustic research founded by
Pierre Schaeffer in 1958 Groupe de Recherches Musicales (GRM), part of INA (
Institut national de l'audiovisuel) since 1975, directed by
François J. Bonnet since 2018.
See also
Spectres (annual publication dedicated to sound and music experimentation, co-published by
Shelter Press and INA-GRM).