<p>Pierre Boulez was appointed to the Collège de France in 1976, with the chair devoted to 'Invention, technique and language in Music', and he held his position until 1995. The publication of his extraordinary Collège de France lectures, his most significant writings from the 1970s to the 1990s, will make a major contribution to the discussion in English about Boulez's aesthetic legacy. His goal in Leçons de musique is to express ...