The article discusses the substantive nature of the Treatise of the second teacher, music researcher Al-Farabi "The Big Book of Music", its connection with the theoretical and practical significance of musical art as a valuable heritage. The main components of music are the direct influence of rhythm and melody on a person, such phenomena of music as musical intervals, musical tone, vibrations of sounds, harmony are described. The peculiarity of sounds in music, their quantitative description, the theory of string vibrations, the dependence of the high-low musical sound on physical parameters, the physical bases and principles of making musical instruments, the peculiarity of the origin of music, harmony and other mathematical and physical types of music, the scholar's positions in unifying the appearance of music are analyzed based on the works of researchers. It is proposed to introduce the "Philosophy of Music", founded by the great teacher in the training of music specialists, as a discipline in the educational programs of higher educational institutions.
Music Theory, Musical Tone, Musical Intervals, Rhythm