The article focuses on the problem of transformation of a musical language, the correlation between an esthetic guideline, an invention, a composition technique and a language. The author describes the two strategies of life and work of Pierre Boulez which allowed him to gain significant cultural authority, and enumerates the persons who had influenced Boulez’s esthetics. In a broad esthetic and philosophical context, the author shows the turn from the technique to the language in esthetical and theoretical texts of Pierre Boulez; describes the three concepts of the language, the period of synthesis following the period of rejection, and Boulez’s concerns about the problems of music perception. In the context of Boulez’s thesis about the unity of an invention, a technique and a language, the author considers the piece for viola “Trema” (1981) by Heinz Holliger, Boulez’s adherent. The author uses a comprehensive approach as a combination of elements of comparative analysis, musical phenomenology (focusing of mind on music structures), and hermeneutics (the process of understanding, interpreting). The research material is of a methodical importance for modern educational courses of theory and history of music. The author arrives at the conclusion that Boulez, as well as Kant, directs the concept of art towards Aristotle's category of “poiesis” as “craft and creation”; focuses on the overcoming of the esthetics of rejection (preceding the classic-romantic tradition) in Boulez’s turn to the period of “synthesis” which includes not only the turn from a technique to a language, but also electroacoustic “sound manufacturing”. The following aspects of Hollinger’s “Trema” are considered for the first time: the idea, the principles of new solo music, the new technique. The author arrives at the conclusion about “Trema” belonging to the “multilayered music epoch” and that radical rethinking of a musical language sharpens communication.