Music and Time Annotation << Back Problems of the Practical Study of the Osmoglasie of Znameny Chant and the Ways of Their Solving E.A. Masyuk In the paper the summary of the manual of practical study of the main musical and liturgical system of the Old Russian music Osmoglasie (the system of the eight modes) is given. It is intended for the professional musicians including students of musical colleges, schools, choir directing courses as well as for amateurs: church singers, pupils of parish schools. This method has for an object to teach melodic and graphic formulas of the eight modes, show and explain musical and graphic relationships of them and the principles of their combination. Key words: Osmoglasie, church music, musical pedagogy. E-mail: evpraksiya-m@yandex.ru