Thursday 9 November 1972 Concert 46 Thursday 7 December 1972 Concert 47 Thursday 8 February 1973 Concert 50 Thursday 15 March 1973 Concert 51 [Les solistes des choeurs de l’ORTF] Thursday 12 April 1973 Concert 52 Sunday 20 May 1973 Concert 53 [Ensemble New Phonic Art]
