 By the time Les Chants Magnétiques was released on 20 May 1981 , Oxygène and Équinoxe had achieved global sales of about 6 million units . In its first two months the new album sold a reported 200 @,@ 000 units in France alone . The album uses sounds from the Fairlight CMI , a new instrument of which Jarre was an early pioneer . Its digital technology allowed him to continue his earlier sonic experimentation in new ways . 
