Australia

• Ascham Singers
• Brighton Grammar Chamber Orchestra
• Brisbane Girls Grammar School Chorus
• Brisbane Girls Grammar School Philharmonic Orchestra
• Caulfield Grammar School Chamber Strings
• Caulfield Grammar School - Combined Corelli and Sutherland Strings
• Trinity Grammar School Kew Chamber Strings Ensemble
• Trinity Grammar School Kew Choir

Austria

• Vocal District Project

Belgium

• Jeugdkoor Rondinella

Bulgaria

• Marching Stars Marching Band

Canada

• Crofton House School Senior Orchestra
• Saskatoon Children's Choir

China

• Guangzhou Opera House Youth String Orchestra & Marching Band

Czech Republic

• Abbellimento Zvonky - Praha Choir
• Andromeda Olomouc

Denmark

• Holstebro Musikskoles Ungdomssymfoniorkester
• Voce Soleil

Hong Kong, China

• Amicis Sinfonia
• La Salle College String Orchestra
• La Salle College Symphony Orchestra
• Millennium Academy Orchestra
• Tiffany Lau Vocal Performance Academy Choir

Netherlands

• Britten Jeugd Strijkorkest
• Jonge Strijkers Nederland

Norway

• Bærum Pikekor

New Zealand

• Voces Luce

Spain

• OJPA - Alicante’s Youth Orchestra

Taiwan (Chinese Taipei)

• Taipei Municipal Lishan Junior High School Concert Band
• Taipei Municipal Lishan Junior High School Symphony Orchestra

Thailand

• SPIPYO (Satit Prasarnmit International Programme Youth Orchestra)

Türkiye

• Pamukkale University Polifonic Choir

United Kingdom

• The Nicolaou Ensemble

Special guest appearance from

Croatia

• Vocal Ensemble Brevis