2015

Alaska Children’s Choir – Alaska, USA

2012

Amoy Flower Phoenix Youth Choral Group - People’s Republic of China
Bach Children’s Chorus - Canada
Barrington Children’s Choir – Illinois USA
Beijing Rainbow Art Performance Troupe - People’s Republic of China
Budi Mulia Dua Choir - Indonesia
Columbia Children’s Choir – Washington USA
Columbia Vocal Ensemble – Washington USA
Choir of E. Mikeladze Central Music School – Democratic Republic of Georgia
Chamber Singers of the Fairfiled County Children’s Choir – Connecticut USA

Discovery Choir - Honduras
Hamburg Kinderchor Cantemus - Germany
Junior Amabile Singers – Canada
Kinder-& Jugendsingakademie Graz – Austria
Klarup Pigekor – Denmark
Marin Girls Chorus – California USA
Partners in Praise Girls Choir – Minnesota USA
Young Adelaide Voices – Australia
Youth Choir “Kivi” - Lithuania

2009
Cantabella Children’s Chorus - California USA
Colorado Springs Children’s Chorale - Colorado USA
Hangzhou Aiyue Tianshi Choir - People’s Republic of China
Kaohsiung Children’s Chorus - Taiwan
Les étoiles/Singers Marin - California USA
MidtVest Pigekor - Denmark
Mississippi BoyChoir - Mississippi USA
Ragazzi Boys Chorus - California USA
Vox Aurea - Finland (guest choir)

2006
Cantabella Children’s Chorus - California USA
Celestial Voices/Singers Marin - California USA
Chattanooga Girls’ Choir - Tennessee USA
Choeur D’Enfants du Benin - Benin
Columbia Choirs of Seattle - Washington USA
Guangdong Experimental Middle School - People’s Republic of China
Kinder-&-Jugendsingakademie, Graz - Austria
Partners in Praise Girls’ Chorus - Minnesota USA

2003
Atlanta Young Singers of Callanwolde - Georgia USA
Fairfield County Children’s Choir - Connecticut USA
Florida Singing Sons Boychoir/Second Generation Singers - Florida USA 
Indonesian Children’s Choir - Indonesia
Oregon Repertory Singers - Oregon USA
Pictures from an Exhibition of Vladivostok Children’s Choir - Russia
Raduga Choir of Music School No. 1 - Russia
Salt Lake Children’s Choir - Utah USA

1999
Columbia Choirs of Seattle - Washington USA
Concento Chilfen’s Choir - Hungary
Coro Infantil de la Universidad del Cauca - Cauca Colombia
Li-Yuan Prinary School Choir - Taiwan
Methodist Girls’ School Choir - Singapore
Northwest Girlchoir-Vivace Choir - Washington USA
Pictures from an Exhibition of Vladivostok Children’s Choir - Russia
Salt Lake Children’s Choir - Utah USA
Vox Danubia -Linz Austria - Austria
Young Singers of Callanwold - Georgia USA

1997
Carmina Slovenica - Slovenia
Dawn Children’s Choir of Vladivostok - Russia
Encore Children’s Chorus - California USA
Girl Choir of Florida - Florida USA
IndonesianChildren’s Choir - Indonesia
Kinderchor der Singakademie Potsdam - Germany
Kór öldutúnsskóla - Iceland
Kwa-Phalo Prinary Chool Children’s Choir - South Africa
Min Chuan Elementary School Chorus - Taiwan
Powell River Academy Singers - Canada
Santa Barbara Children’s Chorus - California USA
Szczecin Boys’ Choir “Nightgales” - Poland
Taipei City Shi-Sung Primary School Choir - Taiwan

1995
Chor der Musikhauptschule Harbach - Austria
Clara-Schumann Kinderchor - Germany
Coro de Niños Cantores de Cordoba - Argentina
Coro de Niños de la Schola Cantorum - Mexico
Florida’s Singing Sons Boychoir - Florida USA
Kuldiga Children’s Choir Cantus - Latvia
Little Singers of Armenia - Armenia
Min Chuan Elementary School Chorus - Taiwan
Powell River Academy Singers - Canada
Raduga Choir of Music School 1 - Russia
Seinäjoki Girls Choir - Finland
Viva Chorale - Canada
Vox Aurea - Finland

1993
Colorado Springs Children’s Chorale - Colorado USA
Dawn Children’s Choir of Moscow - Russia
Kaohsiung Municpal Children’s Chorus - Taiwan
Marin Girls Chorus/ Bel Canto - California USA
Nakhodka’s Music School 2 - Russia

Nebraska Children’s Chours - Nebraska USA

Peninsula Children’s Chorale - California USA

Petaluma Boys & Girls Chorus - California USA

San Diego Children’s Choir - California USA

San Francisco Boys Chorus - California USA

West Jutland Conservatory Girl’s Choir - Denmark

Williams Lake Children’s Chorus - Canada