Kammerchor Leonhard Lechner, Bozen, Italien
Mädchenchor "Raniza", Minsk, Weißrussland
Senais Kalns, Riga, Lettland
Renner Ensemble Regensburg, Regensburg, Deutschland
Kammerchor Michaelstein, Deutschland
Coral "Discantus" de Murcia, Murcia, Spanien
Cadenza Kantori, Bandra-Mumbai, Indien
Les Anges d´Azur Singers, Brazzaville, Republik Kongo
Caius College Choir, Cambridge, England
Female Choir of Kiev Glier Music College, Kiev, Ukraine
Concert Choir of Boys and Youth, Yekaterinburg, Russland
Palissander, Pretoria, Südafrika
