Events 2017 | Russian Federation Round table “ Voice proficiency as a competence of a worker in the field of art and culture” 2017-04-13
Events 2017 | Germany Beatboxing für Musikbegeisterte von 5 bis 80 Jahren (Workshop, Tag 1/2) 2017-04-052024-01-28
Brazil | Events 2017 Palestras que abordaram o uso corrto da voz e seus problemas decorrentes do mau uso da mesma 2017-04-26
