Museum's exposition is in St. Sophia Cathedral, monument of architecture (middle of the 11th - 18th centuries). It was opened in 1987. Concert Hall opened in cathedral houses 304 spectators.
Exposition of the museum tells us about the oldest brick-made building on the territory of the present day Belarus, about numerous reconstructions and the latest restoration of the monument. Festivals of the organ, old and modern chamber music are annually on there in April and November.
The concerts of the organ music are performed by the soloist of the Concert Hall on Sundays.