Questions related to teaching the elementary theory of music, harmony, polyphony, analysis of musical works are quite developed in methodological and educational manuals and special textbooks. The same cannot be said about solfeggio - the most important auditory discipline: the available educational and methodological literature does not meet the increased needs of students and teachers of music schools. The success of the course depends entirely on the experience and skill of the teacher, which creates great difficulties for young novice theorists.