The interpretation of music is primarily a creative act. The composer, inspired by artistic ideas, embraces feelings, experiences in graphic signs, interprets the inverse path to the ideative matrix - decipher the text, presented in the form of conventional symbols, enlivening the musical score. In the author's opinion, the connection with music becomes an act of spiritual identification when crossing the path of art. The article addresses the stringent problems of the musical instrumentation process related to the concept of interpreted as the process of realizing the spiritual-artistic ideas of the composer launched in the musical text.