The Metropolitan Opera House (MOH) is a historic opera house located in Philadelphia, Pennsylvania at 858 North Broad Street. It has been used for many different purposes over its history. As of 2017 the theater is under renovation and is planned to reopen as a concert venue, managed by Live Nation, in September 2018. Built over the course of just a few months in 1908, it was the ninth opera house built by impresario Oscar Hammerstein I.