Events 2017 | Russian Federation Concert of vocal band “Meditsinski kvartal” – Carnival of life 2017-03-07 Events 2017, Russian Federation
Brazil | Events 2017 Palestras que abordaram o uso corrto da voz e seus problemas decorrentes do mau uso da mesma 2017-04-26
Events 2017 | Hungary Örökifjú Zenebarátok Kórusának nyilvános próbája/Open rehearsal to Ageless Music Lover’s Choir 2017-03-20