1Department of Theory and Methodology of Music Education, Choral Singing and Conducting, Anatolii Avdiievsky Faculty of Arts, Dragomanov Ukrainian State University, Kyiv, Ukraine
2Department of Theory and Methodology of Music Education, Choral Singing and Conducting, Anatolii Avdiievskyi Faculty of Art, Dragomanov Ukrainian State University, Kyiv, Ukraine
3Department of Instrumental Performance, Orchestral Conducting and Art Pedagogy, Anatolii Avdiievsky Faculty of Arts, Dragomanov Ukrainian State University, Kyiv, Ukraine
4Department of Vocal Performance, Anatolii Avdiievsky Faculty of Arts, Dragomanov Ukrainian State University, Kyiv, Ukraine