Thursday 22 October 1970 Concert 28 In person Thursday 5 November 1970 Concert 29 [Messiaen] In person Thursday 3 December 1970 Concert 30 In person Thursday 28 January 1971 Concert 31 In person Friday 29 January 1971 Concert 32 In person Thursday 25 February 1971 Concert 33 In person Tuesday 2 March 1971 Concert 34 [Groupe Stockhausen] In person Wednesday 3 March 1971 Concert 35 [Groupe Stockhausen] In person Sunday 28 March 1971 Concert 36 In person