Tyshko, S. 2019. ACCIDENTAL REGULATION OR REGULAR CASES? (ON THE ROLE OF SOME BIOGRAPHIC DETAILS IN THE HISTORY OF MUSICAL CULTURE). Music art and culturе. 2, 29 (Oct. 2019), 123-136. DOI:https://doi.org/https://doi.org/10.31723/2524-0447-2019-29-2-9.