http://www.inagrm.com/parution-cd-bernard-parmegiani-matieres-premieres
After Bernard Parmegiani's passing in 2013, his wife commissioned the GRM for the preservation of his tapes that weren't already put into digital.
They found 3 finished pieces from circa 80 which make the first disc (one of those, "L'écho du miroir", featuring Michael Lonsdale speaking as he was lost in a sort of labyrinth, supposed to be inspired by the work of M.C. Escher), and 30 "matières premières" which found their way on the second.
Hearing those works in progress let us wonder that he had still so ma