Event 2021 | Russian Federation Lecture-concert “Hygiene and children’s voice development” dedicated to the World Voice Day 2021-04-03 Event 2021, Russian Federation
Event 2021 | Russian Federation Voice hygiene lecture for students dedicated to the World Voice Day 2021-04-12
Event 2021 | Mexico 1 er. Simposium de Voice Foundation Capítulo México “Día Mundial de la Voz” 2021-04-16
