- Mixed choir «ZEMER – LACH» (Herzeliya, Israel), artistic director – David Sebba
- Mixed choir «Renana Lezion» (Herzeliya, Israel), artistic director – Menashe Lev-Ran
- Vocal ensemble «Heavenly swallows» First Children’s School of Art named after M.P. Mussorgsky (Tver, Russia), artistic director – Anna Ishieva
- Choir «ODYSSÉES» (Claye-Souilly, France), artistic director –Marie-Hélène Caspar
- «Boys’ Capella led by Dimitriy Zheleznov» (Kazan, Republic of Tatarstan, Russia), artistic director – Dmitriy Zheleznov
- Ensemble «Gentleman’s» (Kazan, Republic of Tatarstan, Russia), artistic director – Dmitriy Zheleznov
- The Academic choir of Far Eastern Federal University (Vladivostok, Russia), artistic director – Elena Petukhova
- Hebei Zhengding High School Choir (Shijiazhuang, Hebei Province, China), artistic director – Cao Mengyuan
- Vocal ensemble “Me & You” of the Igrynsky District Palace of Culture and Sports «Neftyanik» (Igra settlement, Udmurt Republic, Russia), artistic director – Elena Araslanovа
- Semiquaver Chorus (Zhuhai, China), artistic director – Liu He
- Сhapel of boys and young men «Ingur» (Izhevsk, Udmurt Republic, Russia), artistic director – Valery Mitrofanov
- Kaunas vocal ensemble «ACUSTO» (Kaunas, Lithuania), artistic director – Kęstutis Jakeliūnas
- Vocal and choral ensemble «Ensolei» (Izhevsk, Udmurt Republic, Russia), artistic director – Natalia Gorbunova
- Children’s and Youth choir «Blagovest» of the Recreational Orthodox center and the Palace of Children’s (Youth) creativity (Gubkin, Belgorod Region, Russia), artistic director – Anastasiya Polovinkina
- Zhuhai Haiyun Women’s Chorus (Zhuha, China), artistic director – Liu He
- «Cantus» Chorus of the Children’s Art School № 9 (Voronezh, Russia), art director — Svetlana Tatianchenko
- Choir “Armonia” of Preveza (Preveza, Greece), artistic director – Anelia Stefanova
- Cathedral of Christ the Savior Preobrazhenskiy Parishioners’ Choir (Moscow, Russia), artistic director – Sergey Sidorenko
- Female choir «Kud “Učka” Matulji» (Matulji, Croatia), artistic director – Saša Matovina
- «ANCORA» Polyphonic сhoir (Mersin, Turkey), artistic director – Zarife Ismailova
- Choir of Nacre (Normandy, France), artistic director – Anita Piantino
- Male vocal ensemble «Rus'» of the Selty District House of Culture (Selty village, Udmurt Republic, Russia), artistic director – Alexander Chuchkalov
- The NanHu Chours of Jiaxing City of Zhejiang Province (Jiaxing, Zhejiang province, China), artistic director – Zhou Liping
- Ensemble «Mayachok» of Children’s Art School at the Far Eastern State Institute of Arts (Vladivostok, Russia), artistic director – Galina Potopyak
- Chamber choir of the Far Eastern Federal University (Vladivostok, Russia), artistic director – Galina Potopyak
- Academic Mixed Choir Municipal autonomous cultural institution «City Center for Culture and Leisure named after N.G. Vasilyev» (Velikiy Novgorod, Russia), artistic director – Yuri Nikiforov
- Zhoushan City Philharmonic Chorus (Zhoushan, Zhejiang province, China), artistic director – Ye Weiqiang
- Children’s choir «Serafimushka» (Elykaevo village, Kemerovo region, Russia), artistic director – Nun Ignatiya
- Female choir «Noktirne» (Tukums, Latvia), artistic director – Janis Almanis-Palmbahs
- Chorus of teachers of the city of Moscow (Moscow, Russia), artistic director – Kamilla Efasova and Irina Nesterova
- Ensemble «Lirius» (Moscow, Russia), artistic director – Kamilla Efasova and Irina Nesterova
- Chengdu Foreign Languages School Cuckoo Choir (Chengdu, China), artistic director – Chen Peng
- Female choir «Amarillas» of the Krasnodar State Institute of Culture (Krasnodar, Russia), artistic director – Elena Khavlina
- Ensemble «Zaryanka» of the Slavic society «Istoki» (Kunda, Estonia), artistic director – Elena Vainlo
- Choir of veterans of the Vasileostrovsky district «Aurora» (St. Petersburg, Russia), artistic director – Olga Nikiforova
- Renwen Philharmonic Treble Choir (Wuhan, China), artistic director – Zhou Kai
- Chamber choir «RADIO» (St. Petersburg, Russia), artistic director – Stanislav Gribkov
- The «OWN» Cappella group of Zhoushan City (Zhoushan, Zhejiang province, China)
- Appassionato choir (Targoviste, Romania), artistic director – Badea Florin Emil Nicolae
- “Elite Voice of Jinglun” Golden Sail chorus Beijing Chen Jinglun High School (Beijing, China), artistic director – Wang Shuai
- Chamber choir of the Crimean State Philharmonic «Tavrichesky Blagovest» (Simferopol, Russia), artistic director – Vladimir Nikolenko
- Choir «Allegro» of choral studio of the Center for Children and Youth (Yaroslavl, Russia), artistic director – Alla Gerberg
- Municipal Chamber choir «Nizhny Novgorod» (Nizhny Novgorod, Russia), сhief conductor – Ivan Stolnikov, chief choirmaster – Anna Tinibekova