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- Philips Philharmonic Choir (Eindhoven, Netherlands), artistic director – Beni Csillag
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- Vocal Ensemble «Cantilena» of Trans-Baikal Regional College of Arts (Chita, Russia), artistic director – Nonna Tolstukhina
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- Vocal quartet «ANIMA» (St. Petersburg, Russia), artistic director – Lyudmila Yumshanova
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- Lobachevsky University Choir (Nizhny Novgorod, Russia), artistic director – Larisa Yerykalova
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- Mixed Choir «SchwetSingers GV Sängerbund Schwetzingen 1854 e.V.» (Schwetzingen, Germany), artistic director – Elena Spitzner
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- Mixed Choir «D´ Accord GV Sängerbund Schwetzingen 1854 e.V.» (Schwetzingen, Germany), artistic director – Elena Spitzner
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- Chamber Choir «Voices of Sarov» of the Russian Federal Nuclear Center — All-Russian Scientific Research Institute of Experimental Physics (Sarov, Nizhny Novgorod Region, Russia), artistic director – Vera Bogoyavlenskaya
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- Russian Choir of Paris «IZBOR» (Paris, France), artistic director –Olga Rusakova
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- Vocal ensemble «Cantabile» (Kadui village, Vologda Region, Russia), artistic directors – Elena Berezina and Sergey Serebrennik
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- Mythological Zadikov Choir (Azor, Israel), artistic directors – Moshe Nir
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- Children’s Choir «ISKORKI» (Aksai, Rostov Region, Russia), artistic director – Vera Teplyakova
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- Church Choir «BuchKirchenChor» (Buchkirchen, Austria), artistic director – Olga Bolgari
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- Choir Society «Martinu of Trinec» (Trinec, Czech Republic), artistic director – Michal Zatopek
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- Vocal Ensemble in Langue d’Oc «Guingoïlhet» (Bedarieux, France), artistic director – Raymond Galtier
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- Capella of Boys and Young Men «Ingur» (Izhevsk, Udmurt Republic, Russia), artistic director – Valery Mitrofanov
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- Youthful Choir «Ingur» (Izhevsk, Udmurt Republic, Russia), artistic director – Valery Mitrofanov
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- Mixed choir «REGAVIM» (Tel-Aviv, Israel), artistic director – Zeev Ulman
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- Ensemble «Russian Song» (Yakshur-Bodya village, Udmurt Republic, Russia), artistic director – Marina Zorina
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- Girls Choir»Cantabile» (Chisinau, Republic of Moldova), artistic director – Elena Marian
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- Aris Choir of Limassol (Limassol, Cyprus), artistic director – Solon Kladas
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- Chamber Choir «ALETHEIA» (Iаsi, Romania), artistic director – Dorina Iusca
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- Chœur classique de Montréal (Montreal Classical Choir) (Montreal, Quebec province, Canada), artistic director – Louis Lavigueur
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- Chamber Choir «Cantabile» (Hranice, Czech Republic), artistic director – Marketa Laskova
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- Chamber choir «Urbi et Orbi» (St. Petersburg, Russia), artistic director – Oleg Slugin
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- Mixed choir «Joanna Medawar Nachef Singers» (Palos Verdes Estates, USA), artistic director – Joanna Medawar Nachef
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- Choir «Giovani Voci Bassano» (Bassano del Grappa, Italy), artistic director – Cinzia Zanon
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- «Sound of Xin» Junior Choir of Xinsong Middle School of Minhang (Shanghai, China), artistic director – Ruohe Li
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- Female choir «Abava» (village Pure, Tukums Region, Latvia), artistic director – Ferijs Millers
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- Donghua University DHU Singers (Shanghai, China), artistic director – Liang Yuqiu
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- Yan Tian «Voice of ocean» Choir (Shenzhen, China), artistic director – Jiang Qingsheng
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- University of Warsaw Choir (Warsaw, Poland), artistic director – Irina Bogdanovich
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- Mixed choir «IMERA» (village Kocеni, Latvia), artistic director – Imants Tocs
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- Mixed Choir «Livzeme» (Ventspils, Latvia), artistic director – Astra Plostniece
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- Vocal and Choral Ensemble «Uno solo spirito» (Moscow, Russia), artistic director – Ekaterina Zakharenko
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- PYP Choir of Shanghai World Foreign Language Primary School (Shanghai, China), artistic director – Junjie Gui
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- Vocal Ensemble «Heavenly Swallows» (Tver, Russia), artistic director – Anna Ishieva
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- Yin Xiao’ Choir of Chengdu Eldo Experimental Primary School (Chengdu, China), artistic director – Jing Cai
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- Henan Experimental School Zhengdong Primary School Choir (Zhengzhou, China), artistic director – Lei Zhao
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- Children’s Choir of Zhongguancun No. 3 Primary School (Beijing, China), conductors – Jiang Pan and Bi Leilei
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- Choir «Sozvuchie» (Magnitogorsk, Russia), artistic director – Olga Glazunova
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- Chamber choir «RADIO» (St. Petersburg, Russia), artistic director – Stanislav Gribkov
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- Female Choir of St. Petersburg Diocese (St. Petersburg, Russia), artistic director – Igor Matyukhov
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- Good Hope Primary School Choir (Hong Kong), artistic director – Melody Tang
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- Choir of Veterans «AURORA» of the Combined Center of Vasileostrovsky District (St. Petersburg, Russia), artistic director – Olga Nikiforova
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- Orenburg Chamber Choir (Orenburg, Russia), artistic director – Olga Serebriyskaya
