“The pressing question is: How are these works being danced now? There has been plenty of complaint in the past two decades about the NYCB’s custodianship of the Balanchine canon. The company’s performances have frequently been criticized as slipshod. The rich, subtle dynamics that characterized NYCB performances when Balanchine himself supervised them were too often absent from the evening’s program, as they have been for some time. But a handful of extraordinary talents often made the stage vibrant.”