Ben Brantley in the NY Times wrote:
If you were in the vicinity of Seventh Avenue and West 55th Street at about 7:40 p.m. on Wednesday, you may have been alarmed by the sight of a really big Moorish dome sailing into the air. That would have been the roof of City Center, which was blown right off the building when Ellen Greene made her entrance in the blissed-out, two-nights-only concert production of“Little Shop of Horrors.”