Zagnitko K. Gregorian Chant in the Contemporary Scholar Discourse: history, theory, performance practice: history, theory, implementation

In the current thesis the Gregorian chant in the context of the lithurgy art content, performing interpretation, and contemporary music theory discourse is investigated. The history of development of the Western monody throughout Medieval Age and the occurrence's evolution in further centuries is represented integrally. The peculiar role of notation in understanding of musical self of the Gregorian chants gets marked out. Latin ceremonial did influence Ukraine. In particular, cultural links with European countries widened as the result of the baptism of Kievan Rus'. The consequences of the cooperation with the West are traced in the historical sources, in the approach to adopting the musical notation system, as well as in the inclusion of the Western hymns in the Ukrainian liturgy irmologions.