Austria | Events 2017 World Voice Coachings by Brigitte Ulbrich: 11. to 21-04.2017 2017-02-16 Austria, Events 2017
Events 2017 | United States Queen City Music Festival: Junior Choral Expo and Professional Development Expo 2017-04-05
Events 2017 | Russian Federation Lecture “ Prophylaxis of voice disorders in singers and choirs” 2017-04-10