Boston Youth Philharmonic Orchestra
Benjamin Zander
Switzerland, Austria, Germany, & the Czech Republic
The Washington Chorus & University of Michigan Chamber Choir
Eugene Rogers
Argentina
Hopkins School Choir
Erika Schroth
Czech Republic & Austria
The Groton School
Mary Ann Lanier & Timothy Terranella
Italy, Slovenia, Austria, and the Czech Republic
San Francisco Girls Chorus
Valérie Sainte-Agathe
France
Detroit Concert Choir
Michael Mitchell
Italy, Slovenia & Croatia
Pacific Boychoir Academy
Cameron Miya
Peru
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