Principle of author's art creativity of the ancient-Russian musical-written art masters of XVI-XVII centuries

Research of the general principles of art creativity in ancient-Russian canonical art, and also the receptions of their individual author's refraction by masters of various regional schools is one of fundamental problems art criticism. In the article on the basis of the analysis of author's chants the basic directions of creativity of outstanding masters are shown, is proved, that the stimulus of their creative activity has been incorporated in alternativeness of melodic formulae of which chants have consisted and by which records (tracings or divorces) they were fixed. Uniform principles of creativity are brightly expressed in various kinds of formula alternativeness, showing thin skill medieval composers.