Thursday 18 October 1973 Concert 54 In person Thursday 1 November 1973 Concert 55 [Les Percussions de Strasbourg] In person Thursday 6 December 1973 Concert 56 In person Monday 21 January 1974 Concert 57 [Collegium Vocale, de Cologne] In person Thursday 21 March 1974 Concert 58 In person Thursday 18 April 1974 Concert 59 [Amy, Tremblay] In person
