Opera Theatre of Montclair (OTM) has announced that it will present its fourth mainstage production, Rossini’s “La Cenerentola.” The company will showcase the work on Sept. 15 and 22, 2017 at 8 p.m., and on Sept. 16 and 23, 2017, at 4 p.m. All performances will be at the United Way-Theatre where the company is performing for the first time. In this new version {…}