12 soloist mixed voices or mixed choir Performances Concert 51 [Les solistes des choeurs de l’ORTF] Thursday, March 15, 1973 Concert de clôture du NEM Tuesday, April 26, 2016
12 soloist mixed voices or mixed choir Performances Concert 51 [Les solistes des choeurs de l’ORTF] Thursday, March 15, 1973 Concert de clôture du NEM Tuesday, April 26, 2016