Osadcha, Svitlana. “The Evolutionary Role of «transition Age» for the Orthodox Liturgical Singing: From the Authority of Tradition to the Phenomenon Authorship.”. Music art and culturе, no. 20 (December 17, 2014): 33-44. Accessed August 31, 2026. https://music-art-and-culture.com/index.php/music-art-and-culture-journal/article/view/53.