Choir Studio «SO-LA-RE» (Rakvere, Estonia), artistic director – Keio Soomelt and Elo Üleoja
Academic Сombined Choir of the Sakhalin College of Art (Yuzhno-Sakhalinsk, Russia), artistic director – Pavel Gololobov
Children’s Сhoir «Istok» of the Teenage and Youth Center «MIR» (St. Petersburg, Russia), artistic director – Angela Zingarenko
Amateur Singing Choir of the Sverdlovsk Philharmonic (Yekaterinburg, Russia), artistic director – Andrei Starikov
Academic Choir of the St. Petersburg State Electrotechnical University «LETI» (St. Petersburg, Russia), artistic director – Elena Kasyanova
Senior choir of the Children’s Music School No. 14 «Consonance» (Saratov, Russia), artistic director – Anna Litsova
Senior choir of the Children’s Music School No. 14 «Consonance» (Saratov, Russia), artistic director – Anna Litsova
Chamber Сhoir «Collegium Cantus» of the Vyborg Side Club (St. Petersburg, Russia), artistic director – Daria Goloushkina
Youth Сhoir of the Church of the Intercession of the Holy Virgin in Yasenevo (Moscow, Russia), artistic director – Elizaveta Koshkina
The ensemble » Soglasie » of the Department of Old Russian Singing Art of the Ural State Conservatoire (Yekaterinburg, Russia), artistic director – Oksana Sheludyakova
Ensemble «Vdokhnovenie» of the Centralized Religious Organization of the North-Western Association of the Seventh Day Adventist Christian Church (St. Petersburg, Russia), artistic director – Elena Yazlovitskaya
Vocal Ensemble «D-chord» (Moscow, Russia), artistic director – Alexander Talan
Choir of the Children’s Music School of Petrozavodsk Music College named after K.E. Rautio (Petrozavodsk, Russia), artistic director – Nadezhda Alexandrova
«Rainbow» Senior Choir of the «Rainbow» Children’s Choir Studio (Chelyabinsk, Russia), artistic director – Julia Sokolova
Senior Choir of the Capella of Boys and Young Men «Orlyata» of the «Zelenograd» Cultural Center (Zelenograd, Russia), artistic director — Andrey Chernetsov
Choir «SEVERNOE SIYANIE» of the Centralized Religious Organization of the North-Western Association of the Seventh Day Christian Adventists (St. Petersburg, Russia), artistic director – Natalia Logvinova-Beysova
Female Choir of St. Petersburg Diocese (St. Petersburg, Russia), artistic director – Igor Matyukhov
Chamber Choir of the Physico-Technical Institute of the Russian Academy of Sciences (St. Petersburg, Russia), artistic director – Vera Ilyina
Student’s Choir «Canzona» of the St. Petersburg Music Pedagogical School (St. Petersburg, Russia), artistic director — Julia Davydova
Choir of St. Petersburg State Agrarian University (St. Petersburg, Russia), artistic directors – Yana Grekhova and Natalya Teplyakova
Senior Choir «Radost'» of the Center of Creative Development and Musical Aesthetic Education of Children and Youth «Radost'» (Moscow Russia), artistic director – Ekaterina Dunaeva
Vocal Ensemble of Classical Music «Petersburg accent» (St. Petersburg, Russia), artistic director – Olga Kislitskaya
Chamber Choir «RADIO» (St. Petersburg, Russia), artistic director – Stanislav Gribkov
Horosapiens Choir (Moscow, Russia), artistic director – Nikolay Makarov
Choir of Veterans «AVRORA» of the Combined Center for Social Services for the Population of the Vasileostrovsky District (St. Petersburg, Russia), artistic director – Olga Nikiforova
Youth Choir of Graduates of the Choir Studio «Lira» of the Right-Bank House of Creativity (St. Petersburg, Russia), artistic director – Elena Rabinovich
Senior Girls choir of the Choir Studio «Lira» of the Right-Bank House of Creativity (St. Petersburg, Russia), artistic director – Elena Rabinovich
Vocal and Choral Studio «FUNNY NOTES» (St. Petersburg, Russia), artistic director – Olga Kheruvimova
Children’s Choir of the St. Petersburg Diocese and «Alexandria» Choir of the Sunday School at the Church of the Ascension of the City of Kolpino (St. Petersburg, Russia), artistic director – Valentina Koroleva
Vocal Ensemble «Iris» of the Solnechnogorsk Children’s Art School (Solnechnogorsk, Russia), artistic director – Iraida Solovyova
Vocal ensemble «Svyatki» of the House of Culture «Vystrel» (Solnechnogorsk, Russia), artistic director – Iraida Solovyova
«Moderato» Academic Choir (Moscow, Russia), artistic director – Ekaterina Zaboronok
Concert Choir «LAD» of the St. Petersburg Children’s Art School № 4 (St. Petersburg, Russia), artistic director – Galina Kozlova
Vocal Ensemble of Ancient Music of the St. Petersburg State Institute of Culture (St. Petersburg, Russia), artistic director – Tatyana Chernysheva