Person who, as a specialist in the theory, aesthetics and history of music from different eras, acts as a consultant in order to ensure the dissemination and conservation of musical culture. She can teach and do research in musicology. She can choose and comment on musical works for radio broadcasts devoted to a particular musical style or host a musical column on radio or television. She can also write articles or documents intended to appear in documentary works on music (books, repertoires, biographies of composers, specialized articles, teaching material, etc.) or work as a critic for a newspaper, d ” a trade magazine, a radio or television station. Finally, she can act as an advisor in the context of various artistic productions (films, plays, dance performances, etc.) or for the creation of a discotheque and the classification of works.