farewell Brooklyn soprano Beverly Sills: "It is the coloratura aria to end all coloratura arias -- all trills, arpeggios and stratospheric leaps -- and it goes on forever. Still, when sung with Sills's radiant good humor and triumphant virtuosity, it calls to mind nothing so much as a Fourth of July sparkler that not only refuses to burn out but throws off ever brighter, bolder light as its time elapses..."