Youth Сhoir «Yapurai» (Kyzylorda, Republic of Kazakhstan), artistic director – Saule Kuzdybaeva
Choir of Students of the Specialty «Choral conducting» of the Krasnodar College of Music named after N. A. Rimsky-Korsakov (Krasnodar, Russia), artistic director – Yury Bogatyrev
Youth choir «Contrast» of Nizhny Novgorod Provincial College (Nizhny Novgorod, Russia), artistic director – Olga Podolskaya
Children’s choir «Lesnye golosa» (Lesnoy gorodok, Odintsovskiy district, Moscow region, Russia), artistic director – Maria Lukonina
Choir of the High Classes «Harmony» of the Children’s Music School (Lesnoy, Sverdlovsk region, Russia), artistic director – Tatiana Karepina
Choir of Boys and Young Men «CANTUS» of the Children’s Music School named after J. Haydn (Moscow, Russia), artistic director – Alexandra Samokhvalova
Choir «Ventus» (Samara, Russia), artistic director – Svetlana Erastova
Concert Choir «Fantasia» of Music and Choral School «Fantasy» Lyceum No.51 (Tomsk, Russia), artistic director – Natalia Bogdanova
Youth choir of the Municipal choir of boys and young men «Vivat» (Petrozavodsk, Republic of Karelia, Russia), artistic director — Anastasia Popova
Youth choir «Permoník» (Karviná, Czech Republic), artistic directors – Martina Juríková and Karina Grimová
Youth choir «Polyhymnia» of Peter the Great St. Petersburg Polytechnic University (St. Petersburg, Russia), artistic director –Igor Soloviev
Senior Concert Choir «Laulu» of the Children’s Music and Choir School of Petrozavodsk (Petrozavodsk, Republic of Karelia, Russia), artistic director – Svetlana Arkhipova
Choir «Contrasts» of the St. Petersburg Children’s Art School named after A. P. Borodin (St. Petersburg, Russia), artistic director – Oksana Zakharyan
Riga State Gymnasium No.2 Girls’ Choir (Riga, Latvia), artistic director – Ilona Plume
Children’s Choir «Perezvony» of the St. Petersburg Children’s Art School named after M. I. Glinka (St. Petersburg, Russia), artistic director – Larisa Yarutskaya
Choir «Klavishy» of Children’s Art School of Music No.13 (Minsk, Republic of Belarus), artistic director – Alyona Grozova
Children’s choir «Raduga» of the St. Petersburg Сhildren’s Аrt School No.3 (St. Petersburg, Russia), artistic director – Irina Batyrova
Student’s Choir «Canzona» of the St. Petersburg Music Pedagogical School (St. Petersburg, Russia), аrtistic director – Julia Davydova
Senior Choir of the «Iskra» Children’s Choral Studio of the Palace of Children’s and Youth Creativity of the Krasnogvardeysky District of St. Petersburg «On Lenskaya» (St. Petersburg, Russia), artistic director – Vladimir Komarov
Concert Сhoir of the Vocal and Choral Studio «Voice» of the House of Children’s Creativity of Krasnoselsky district of St. Petersburg (St. Petersburg, Russia), artistic director – Lyudmila Alexandrova