The original architect for Philadelphia's new concert hall was Robert Venturi, of Venturi Scott Brown. When he failed to produce a design that was considered sufficiently iconic, Rafael Viñoly was given the job. The acoustics of the resulting Kimmel Center for the Performing Arts received guardedly favorable reviews, but the architecture fizzled, especially when compared to that stunning icon, the Walt Disney Concert Hall, which opened shortly after. What happened? The problem with the Kimmel is that it is a one-liner, and its one line—a vaulted glass roof—is just not that interesting. What do you do when your starchitect doesn't deliver the goods? Last year, the center took the unusual step of suing Rafael Viñoly Architects, ostensibly for cost overruns and construction delays, but according to the Philadelphia Inquirer "the underlying complaint seems to be that Viñoly failed to deliver a show-stopper." The suit was settled out of court.