Thursday 4 November 1971 Concert 37 In person Monday 6 December 1971 Concert 38 [Collegium Vocale, de Cologne] In person Thursday 3 February 1972 Concert 39 In person Thursday 17 February 1972 Concert 40 In person Thursday 16 March 1972 Concert 41 In person Sunday 30 July 1972 Concert 44 In person