- 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
- «Petersburg Serenades» Chamber Choir (St. Petersburg (Pushkin), Russia), artistic director – Egor Losev
- 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