Vienna Boys' Choir
United Nations Office at Vienna
University Wien Konfuzius Institut
Masters International
CCTV
City of Vienna
Corearte
Jam Music LAB University
Gottfried Von Einem
Bratislava Music Agency
bach-musikschule
ICT Management GmbH
Ministry for Education, Arts and Culture of Austria
Chorus--China
Lower Austria Tourism Office
ERVIK-NEU
Voices of the World
Cinevision TV & Videoproduktion
The Best of Vienna
Raiffeisenlandesbank Niederöesterreich-Wien
The Wirth Music Academy
Kunst & Kultur - Ohne Grenzen
The Best of the World Network
Organization for World Music and Arts Education
MusiCultur Festivals