- Youth Ensemble «Kamerton» (Vyritsa sellement, Leningrad region, Russia), artistic director – Margarita Galechik
- Choir of Veterans of Vasileostrovsky district «AURORA» (St. Petersburg, Russia), artistic director – Olga Nikiforova
- Vocal Female Ensemble «Anima» (Petrozavodsk, Russia), artistic director – Lyubov Sazhina
- Choral Collective «April» (city district of Svobodny, Sverdlovsk region, Russia artistic director – Zhanna Barabanshchikova
- Children’s Ensemble «Sozvuchie» Sunday School of the Kazan Icon of the Mother of God of Vyritsa settlement (Vyritsa settlement, Leningrad region, Russia), artistic director – Maria Chekodanova
- Choir of Russian Song «ZVONTSY» (Krasnogorsk, Moscow region, Russia), artistic director – Irina Merkushova
- Vocal and Choral Ensemble «CANTABILE» (Moscow, Russia), artistic director – Daria Mamonova
- Children and Youth Choir Capella «School Years» (settlement of Gresovsky, Simferopol, Russia), artistic director and conductor – Viktor Zaslavsky, conductor – Natalia Zaslavskaya
- Vocal and Choral Ensemble «Madrigal» (settlement of Gresovsky, Simferopol, Russia), artistic director – Natalia Zaslavskaya
- Vocal Ensemble «A piena voce» Teenagers and Youth Center «MIR» (St. Petersburg, Russia), artistic director – Elizaveta Timoeva
- Academic Choir of the Cultural and Leisure Center «Gamma» (Chernogolovka, Russia), artistic director – Svetlana Vtulochkina
- Academic Choir «MODERATO» (Moscow, Russia), artistic director – Ekaterina Zaboronok
- Academic Male Choir of the Life-Giving Trinity Church in Troitskoye Golenishchevo (Moscow, Russia), artistic director – Nikolai Makarov
- Choir «Polemica» (Tobolsk, Russia), artistic director – Evgeny Kuznetsky
- Chamber Chorus «Baltika» (Sosnovy Bor, Russia), artistic director – Marina Voronovskaya
- Ensemble «Vdokhnovenie» (St. Petersburg, Russia), artistic director – Elena Yazlovitskaya
- Choir «SEVERNOE SIYANIE» (St. Petersburg, Russia), artistic director – Natalia Logvinova-Beysova
- Mixed choir «Cantica /Z/nova» (Trnava, Slovakia), artistic director – Gabriel Kalapoš
- Choral Capella of the Moscow State Linguistic University «Musica Linguae» (Moscow, Russia), artistic director – Olga Dubovskaya
- Choir of MGIMO «Proxenos» (Moscow, Russia), artistic director – Anton Tokovinin
- Academic Choir of St. Petersburg State Electrotechnical University «LETI» (St. Petersburg, Russia), artistic director – Elena Kasyanova
- Concert Choir of the Vocal and Choral Studio «Golos» Houses of Children’s Creativity of Krasnoselsky district (St. Petersburg, Russia), artistic director – Lyudmila Alexandrova
- Folklore Ensemble «Svetlitsa» (Simferopol, Russia), artistic director – Inga Mikhailevskaya
- Middle Choir of the Choral School and Studio «Rondo» (St. Petersburg, Russia), artistic director – Kira Polyakova
- Female choir of the St. Petersburg Music College named after N.A. Rimsky-Korsakov (St. Petersburg, Russia artistic director – Sergei Ekimov
- Choral Academic Capella of the Tver Regional Palace of Culture «Proletarka» (Tver, Russia), artistic director – Marina Kirpu
- Chamber Choir «Cantares» of the St. Petersburg State University of Telecommunications named after prof. M.A. Bonch-Bruevich (St. Petersburg, Russia), artistic director – Ekaterina Stepanova
- Chamber Choir «Petersburg Serenades» (Pushkin, St. Petersburg, Russia), artistic director – Egor Losev
- Chamber Choir of St. Petersburg Polytechnic University Peter the Great (St. Petersburg, Russia artistic director – Alexandra Makarova
- Vocal Ensemble «TRAVELLERS» (St. Petersburg, Russia), artistic director – Nadezhda Klimina
- Vocal Ensemble «SingSation» of choral conducting department of Moscow State Institute of Culture (Moscow, Russia), artistic director – Olga Burova
- Chamber Choir «RADIO» (St. Petersburg, Russia), artistic director – Stanislav Gribkov
- Male Choir of Tallinn University (Tallinn, Estonia), artistic director – Jüri Rent
- Vocal Ensemble «Anastasios» (St. Petersburg, Russia artistic director – Khristina Vytrikovskaya
- Choir «Sikharuli» (Moscow, Russia), artistic director – Shota Mushkudiani