| 2014 | Junge Chöre München | |
| 2011 | Schoolchoir of Bruxelles | Sint-Jan Berchmans College |
| 2008 | Moscow Children's Choir | School No. 1332 |
| 2008 | Kyoto City Junior Children's Choir /Japan | |
| 2000 |
Children’s Choir of Nishnij Novgorod / Russia |
Zhavoronok |
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Children’s Choir of Prague / |
Prazský Detský Sbor |
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Children’s Choir of Monnerich / Luxemburg |
Chorale Princesse Marie-Astrid |
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Youth Choir of Oviedo/ Spain |
Joven Coro Principe de Asturias |
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Boys’ Choir of Gnesen / Poland |
Szpaki |
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Boys’ Choir of Kopenhagen / Denmark |
Det Danske Drengekor |
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Schoolchoir of Vizille near Grenoble/ France |
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Boys’ Choir of Mulhouse / France |
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Children’s Choir of
Brünn
/ |
Mladost |
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Vienna’s teachers a Cappella Choir / Austria |
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