Academic choir «Polemica» (Tobolsk, Russia), artistic director – Eugeniy Kuznetsky
Children’s Group of the Vocal ensemble «Elegia» (Chaplygin, Russia), artistic director – Tatyana Sonina
St. Petersburg State University of Architecture and Civil Engineering Choir (St. Petersburg, Russia), artistic director – Olga Kislitskaya
Children’s Choir «Radonezh» of the Zarechensk Children’s Аrt School (Tula, Russia), artistic director – Margarita Mikalauskaya
Concert Choir of the Song and Dance Ensemble named after I.O. Dunaevsky (St. Petersburg, Russia), artistic director – Ilya Malafey
Choir «Fortissimo» of the Children’s Art School No. 4 (Magnitogorsk, Russia), artistic director – Olga Roslyakova
Chamber choir «Overture» (Moscow, Russia), artistic director – Olga Ostrovskaya
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 «TRAVELLERS» (St. Petersburg, Russia), artistic director – Yana Konoplina
Junior Сhoir of Children’s Art School No. 4 «Concertino» (St. Petersburg, Russia), artistic director – Elena Pazovnikova
Children’s choir «AQUAREL» Children’s Music School No. 24 (St. Petersburg, Russia), artistic director – Ekaterina Zhavoronkova
Academic Сhamber Сhoir «Vita Voce» of the State Geological Museum named after V.I. Vernadsky Russian Academy of Sciences (Moscow, Russia), artistic director – Lyubov Zvyagintseva
Vocal group of the Academic Сhamber Сhoir «Vita Voce» of the State Geological Museum named after V.I. Vernadsky Russian Academy of Sciences (Moscow, Russia), artistic director – Lyubov Zvyagintseva
Choir «Liturgica» of the St. Catherine of Alexandria Basilica (St. Petersburg, Russia), artistic director – Natalia Vergei
St. Petersburg State Agrarian University Ensemble (St. Petersburg, Russia), artistic directors – Yana Grekhova and Natalya Teplyakova
Women’s Ensemble «Anesti» of the Parish of the Chesme Church of St. John the Baptist (St. Petersburg, Russia), artistic director – Julia Bordilovskaya
Junior Choir «Nevskaya Dominanta» of the St. Petersburg Children’s Art School named after M.I. Glinka (St. Petersburg, Russia), artistic director – Victoria Gainutdinova
Children’s Choir «Cantare» (Orsha, Republic of Belarus), artistic director – Valentina Karzhitskaya
Academic Choir of the St. Petersburg State Electrotechnical University «LETI» named after V. I. Ulyanov (Lenin) (St. Petersburg, Russia), artistic director – Elena Kasyanova
Choir of Veterans «AURORA» of the Combined Center for Social Services for the Population of the Vasileostrovsky District (St. Petersburg, Russia), artistic director – Olga Nikiforova
Women’s Choir of Undergraduate Students from the Institute of Music, Theater and Choreography of the Herzen Russian State Pedagogical University (St. Petersburg, Russia), artistic director – Igor Matyukhov, conductor – Anna Barsova
Children’s Choir of the St. Petersburg Metropolia and the «Alexandria» Choir of the Sunday School at the Church of the Ascension of Сhrist (St. Petersburg (Kolpino), Russia), artistic director — Valentina Koroleva
St. Petersburg Rimsky-Korsakov Conservatory Choir (St. Petersburg, Russia), conductor – Anton Maximov