In complexity of the ethnological, folkloristic, phenomenological, system, and psychological approaches attracting "unconscious" the musical folklore finds its sociocultural characteristics. It promotes understanding of ethnocultural, mental bases, and comprehension of strong-willed, moral, esthetic and mental abilities of the person. The view of musical folklore as on the reality phenomenon in the ratio of the art and inartistic beginnings in it corresponds to its nature which is initially connected with reality uncountable bonds. It is about studying of new aspects of social and cultural relevance of musical folklore, about deepening, a specification and development of cumulative knowledge of it, musical thinking and musical culture as the specific sociocultural phenomena.