The question of musical naturalness has increasingly often been the subject of lively debates within both natural and human sciences. In the present paper the issue is discussed primarily in terms of the propositions which accord with the contemporary naturalistic vision of a human and the world. One of the most important problems in this context is the opposition between a natural phenomenon and a cultural invention. Among the vast amount of different human achievements, some demand strenuous learning whereas other emerge spontaneously in all societies. The latter type of achievements is the result of the natural selection of human abilities. Recently, it has been hotly debated whether or not music is a biological adaptation. If it...