Music and Time Annotation << Back Natural Horn in the Work of O. Vanderbrok «The main treatise on All Wind Instruments for Composers» A. Furukin This article provides an analysis of labor «The main treatise on all wind instruments for composers» prominent French horn player, composer, and as great theoretician and teacher of his time Othon Vanderbrok. His talent is multifaceted. Since the opening of the Paris Conservatoire, he wrote one of the first teaching technique: «A new systematic school for Horn». As well as a talented composer, has left us a great legacy. However, his music is played very rarely, and scores are on the shelves, while the remarkable work «The main treatise on all wind instruments for composers» («Traité général de tous les instruments à vent à l’usage des compositeurs»), published in 1793, not lost its relevance to the present day. This treatise has become a textbook in foreign musicology, though in Russia, unfortunately, little known. Keywords: Otho Vanderbrok, natural horn, open sound, closed sound, embouchure.- Contacts: Е-mail: alekseyfurukin@gmail.com Pp. 40-43.