Doc. Dr. Peter Šidlík, PhD. (1965) is graduated in composition at the Universtity of Music and Arts (1990), PhD. study graduated in the history of music theory (1995), Associated Professor in the field of music theory (2003), in the present time works at Jan Albrecht Music and Art Academy in Banská Štiavnica. He concentrates on the problems in the fields methodology of science, epistemology, philosophical logic, mathematical modelling in the empirical research, statistical and data mining analysis of empirical data processing.