- Vocal ensamble «Siinan K’aay» (Tlaxcala, México), artistic director – Daniel Vásquez
- Choir «Rossiyane» (Chita, Russia), artistic director – Evgenia Tcherepitsyna
- Vocal Ensemble «Elegy» (Chita, Russia), artistic director – Evgenia Tcherepitsyna
- Ensemble «ALON-YAVNE» (Yavne, Israel), artistic director – Zeev Ulman
- Vocal Quartet «ANIMA» (St. Petersburg, Russia), artistic director – Lyudmila Yumshanova
- Mixed choir «Neve Tzedek» (Tel Aviv, Israel), artistic director – Larisa Lumelsky
- Concert Choir «Watercolour» (Novosibirsk, Russia), artistic director – Elena Pokazanieva
- Children’s Сhoir «TALASUMCHE» (Sofia, Bulgaria), artistic director – Dimitar Kostantzaliev
- Youth Chamber Сhoir «OHANA» (Sofia, Bulgaria), artistic director – Dimitar Kostantzaliev
- Ensemble «Devchata» from the People’s House of the Association of Veterans, Disabled and Pensioners (St. Petersburg, Russia), artistic director – Ideya Zhelezovskaya
- Choir of Veterans of Vasileostrovsky district «AURORA» (St. Petersburg, Russia), artistic director – Olga Nikiforova
- Wereldkoor Haarlem (Haarlem, Nederland), artistic director – Tatiana Lina
- Women’s Academic Choir Capella «Elegy» (Lobnya, Moscow region, Russia), artistic director – Svetlana Boytsova
- Choir of the Collegium Medicum (Cracow, Poland), artistic director – Janusz Stanecki
- Choir «Scarlet Sails» of Children’s Music School № 68 named after R.K. Shchedrin of «Izmailovo» Children’s Art School (Moscow, Russia), artistic director – Alla Pushkareva
- Chamber Women’s Choir «Consonance» (Moscow, Russia), artistic director – Alla Pushkareva
- Hangzhou Philharmonic Singing Chorus (Hangzhou, China), artistic director – Weiping Zhou
- Hangzhou Shanghai World Foreign Language Primary School Love Song Choir (Hangzhou, China), artistic director – Weiping Zhou
- Penza Diocesan Chamber Choir «SPAS» (Penza, Russia), artistic director – Protopriest Vladimir Olkhov
- «CANTUS DOMINI» Male Choir (Bucharest, Romania), artistic director – Ştefan Răzvan-Constantin
- Ensemble «Lilac Garden» (Moscow, Russia), artistic director – Natalia Dimitrieva
- Shanghai Young Phiharmonic Orchestra (Shanghai, China), artistic director – Peng Cao
- Don Choral Theater «Reflection» (Rostov-on-Don, Russia), artistic director – Tatyana Ovchinnikova
- Moravian Teachers’ Choir (Brno, Czech Republic), artistic directors – Jiří Najvar and Jiří Šimáček
- Vocal Ensemble «Contrasts» of the Children’s School of Arts (Svetly, Kaliningrad region, Russia), artistic director – Victoria Yashkova
- «Coriandolo» Mixed Choir (Geneva Switzerland), artistic director – Lucia Albertoni
- Choir of Lovers of Singing (St. Petersburg, Russia), artistic director – Irina Andryakova
- Chamber choir «RADIO» (St. Petersburg, Russia), artistic director – Stanislav Gribkov
- Dalian Children’s Palace Kids Choir (Dalian, China), artistic director – Chi Zhang
- Shanghai Normal University Boyue Choir (Shanghai, China), artistic director – Wang Chao
- «MOST SHINING» Children’s Choral Theater (Guangzhou, Guangdong, China), artistic director – Yuan Jun Lai
- «Corale Caminese» Mixed Choir (Camino al Tagliamento, Italy), artistic director – Francesco Zorzini
- Hong Kong City Choir (Hong Kong), artistic director – Man Kin-Ping Jack
- Tukums Rainis Gymnasium Mixed Choir «Savējie» (Tukums, Latvia), artistic director – Rasma Valdmane
- Mixed choir «GITIT PT» (Petach Tikva, Israel), artistic director – Menashe Lev-Ran
- Shenzhen Children’s Palace Choir (Shenzhen, China), artistic director – Hong Du, head of the choir – Ziran Zhang
- Student Choir of Fuzhou University (Fuzhou, China), artistic director – Songhua Li, head of the choir – Qianqian Zhang
- Vocal Ensemble of the Kekava Secondary School «Rasa» (Kekava, Latvia), artistic director – Dace Bula
- Chamber choir «Gloria» Cultural and Recreational Center «Krasnogvardeysky» (St. Petersburg, Russia), artistic director – Tatiana Antonova
- Chamber Choir «Consonance» St. Petersburg State Technological Institute (Technical University) (St. Petersburg, Russia), artistic director – Irina Shishkina
- «Rhyme River» Children Choir of Guijiang Primary School (Foshan, China), artistic director – Chun Ping Lv
- Kazakh Chamber Choir of the Aktyubinsk Region Philharmonic named after G. Zhubanova (Aktobe, Kazakhstan), artistic director – Merbol Kuspanov
- Vocal Ensemble «NEVSKY SINGERS» (St. Petersburg, Russia), artistic director – Lev Shishkin, director – Sergey Shishkin