The book by the British researcher and composer Adam Okelford provides an exposition and analytical justification of the theory of cognitive modeling of musical structure, which he called zygonic. Based on a solid theoretical base of research and directions , leading among which are structuralism and cognitive linguistics , The author justifies the appearance between discrete features of the musical tissue of certain circuits-connections of mental nature. based on imitation and more broadly on the principle of repetition. As a research material, the author used a wide range of works by composers from I. C. Bach to A. Schoenberg . In the analyses, preference is given to the "series theory" with the use of rational-logical methods of segmentation and description of musical texts, methodologically substantiated in the works of M. Babbitt, A. The Fort and its Followers . The book is addressed to specialists in the field of music theory, students and graduate students of higher educational institutions interested in the organization of musical and theoretical systems, perception and analysis of music.