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
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
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