The book "Problems of teaching and performing on bow instruments in the works of K. G. Mostras . Tutorial" is a unique edition that immerses the reader in the world of music education and pedagogy. Compiled by a team of authors, this work is devoted to the study of methodological approaches developed by the outstanding musician and teacher Konstantin Grigorievich Mostras .. It will become an indispensable assistant for both students of music schools and teachers seeking to deepen their knowledge of methods of learning to play bow instruments. The book covers a wide range of topics related to teaching and performing techniques on instruments such as violin, viola, cello and double bass. It examines both traditional and modern approaches to learning, making it relevant to different generations of musicians. The authors analyze Mostras' works, highlighting key ideas and methods that can be applied in practice. This allows the reader not only to get acquainted with the history of pedagogical thought, but also to receive practical recommendations that will help in teaching and improving the skills of the game. Who can like this guide? First of all, it will be interesting for students of music universities who study teaching methods and want to understand more deeply how to effectively teach the game of bow instruments . The book will also be useful to teachers who want to update their methodological approaches and integrate new ideas into their practice. In addition, practicing musicians seeking to improve themselves and find new ways to learn, will find in this manual a lot of useful. The themes raised in the book are diverse and deep. The authors explore not only the technical aspects of playing bow instruments, but also such important elements as musical interpretation, emotional expressiveness and pedagogical ethics. Issues related to the individual approach to each student, as well as the development of creativity, also occupy an important place in the work. The book emphasizes that music training is not only the transfer of technical skills, but also the formation of the personality of the musician, his emotional world and artistic vision. The style of the authors is distinguished by clarity and accessibility, which makes the material easy to perceive. They use examples from practice to illustrate their ideas, which allows the reader to better understand how to apply theoretical concepts in practice. This guide is not only informative, but also inspiring, encouraging the reader to reflect on their own approach to learning and execution. The book "Problems of teaching and performing on bow instruments in the works of K. G. Mostras "is not just a textbook, but a real find for everyone who is interested in music and pedagogy. It can be a basis for in-depth study of teaching methods, as well as a source of inspiration for those who strive for excellence in the art of playing bowed instruments. If you are looking for high-quality literature on the methods of music education or want to deepen your knowledge in this area, this publication should definitely take a worthy place on your bookshelf.