Festival arena design is derived from the aspirations of acoustically pure sound. The inner surface of the bandstand is articulated enough to eliminate the need for electronic amplification. Considering the delicate location (site of the former manor park, Viljandi Town Heritage Conservation Area), the outbuilding is designed to fuse with the landscape. The true character of the Festival Grounds is revealed when an event is taking place. The singing people and the facility form a single entity that comes together in song. Multifunctional sports hall accommodates a 25-metre pool, children’s pool, ball game hall with three courts, fencing hall, martial arts hall, gym and judo hall. Next to the facility, there’s a football pitch, which is covered by an inflatable dome in the wintertime.

The exterior architecture is characterized by concrete panels that are painted black and have lines of windows that are separated with larch wood panels. To articulate the building, the panels have fake joints, which make dense and sparse grids. Also the darker panels and stained larch wood help in scaling down the building. To avoid overheating, windows are covered with aluminium shade panels.

Interior architecture is functional and simple. Finishes were chosen that would meet the demands of a building which is in heavy use. The main halls are characterized by large CLT girders and concrete is left exposed as much as possible. Personalized iconography was made for the project.