Today the Bolshoi Theater of Opera and Ballet of Belarus will hold open doors day for the fifth time. From 11 o'clock the interactive platform in the foyer of the theater will present concerts of trios and quartets with the participation of opera soloists, theatrical quizzes, world wheelchair champions performances. Anyone can visit the open rehearsal of the orchestra and learn the history of the Belarusian opera. Last year, a record four thousand guests came to see the backstage at the Opera and Ballet Theater.