Events 2017 | Slovenia international symposium on the teaching of singing in the period before and during the mutation 2017-03-23
Events 2017 | Russian Federation Lecture “Vocal and voice” for vocalists of Ekaterinburg philharmonic 2017-04-27
Brazil | Events 2017 Orientação para a população em geral de Marabá sobre os hábitos Salutares e Nocivos à voz 2017-04-24