St.Petersburg Rimski-Korsakovi Conservatory STUDENT CHOIR
Artistic director - People’s Artist of the Russian Federation, Prof. Valeriy Uspenskiy.
Conductor Anton Maksimov
Russia
The Academic CHAMBER CHOIR from Kostroma
Artistic director and conductor Alexsey Melkov
Russia
The CHILDREN'S CHOIR "RADUGA"
Artistic Leader and Head Conductor Natalia Kuzina
Tallinn, Estonia
THE MALE ENSEMBLE "CREDO"
Artistic director Zoya Tumanova-Rodman
Conductor Stanislav Sheljahhovski
Tallinn, Estona | 
