overview opening hours The view from the roof of the House of Music down the length of Národní Avenue all the way to the National Theatre, together with carefully selected wines, Champagne, tapas, shrimp skewers, and specialities from the grill, is a combination that always ensures a wonderful experience! opening hours january—december mon—sun 17:00—1:00 more about opening hours Source: www.balconybar.cz opening hours january—december mon—sun 17:00—1:00