It feels like a moment of transition for New Yok City Ballet, writes Robert Gottlieb. “Senior dancers past their prime are moving inexorably toward retirement—some gracefully, some with obvious reluctance. There are stirrings in the ranks of the ballet masters and mistresses which may gradually lead to needed changes in casting and coaching. Andrea Quinn, the stimulating resident music director, is leaving (her successor hasn’t been announced). One can feel an effort being made to bring back to life certain Balanchine ballets that have been in dire decline… And the results of the Diamond Project itself, although over-publicized and underwhelming, were more positive than those of any of its five predecessors.”