The article discusses the issues of self-expression of future teachers of musical art in the process of their preparation for further professional activity. It was determined that self-expression is associated with cultural awareness and creativity of future music teachers. The paper analyzes different approaches to determining the characteristics of self-expression in the future musical and pedagogical activity of applicants. On the basis of scientific achievements, the structural components of self-expression of future teachers of musical art have been determined. This structure includes a motivational-axiological component (stability of motives of creative self-realization; readiness for successful creative self-expression in the process of performing and instrumental training); cognitive-search component (demonstrates the effectiveness and consistency of musical and instrumental knowledge); communicative and interpretive (students have the ability to interact with the audience and with their results of creative musical and instrumental self-expression, the ability to express themselves, to carry out creative self-disclosure and self-presentation in the process of performing and instrumental training); reflective-productive component (the ability of future teachers of musical art to realize their intentions for artistic self-expression in the process of performing and instrumental training, their creative qualities, as well as their importance for professional development, self-perception skills when performing creative musical and instrumental activities). The experience of self-expression of music teachers in different regions is analyzed. Attention is focused on the possibilities of digital means of communication in the process of self-expression in different conditions.