The building ends up being so ambitious that it goes significantly over the budget. Attempting to rein in the budget (aka “value engineering”) leaves the project either stripped down or very late or both.
The idea of the concert hall becomes unpopular, and is protested by members of the public, who often foot the bill. The hall is constructed, and it is either beloved or rejected, though rarely is it an acoustical failure. Often if a new concert hall fails, it fails architecturally.