Event 2021 | United States of America World Voice Day Free Training Session with Celia Slattery Voice Studio 2021-04-162024-01-28 Event 2021, United States of America
United States The Voice Foundation & Philadelphia Girls Choir World Voice Day Concert 2019-04-102024-01-28
Event 2021 | Russian Federation Lecture for students of Perm Musical College “How phoniatrician can help a vocal teacher” 2021-05-11
