The Alte Oper (Old Opera) is a major concert hall and former opera house in Frankfurt am Main, Germany. The building was inaugurated in 1880. Many important works have been premiered at the Alte Oper, including Carl Orff's Carmina Burana in 1937. The building was inaugurated on October 20, 1880 and was designed by Berlin architect Richard Lucae and financed by the citizens of Frankfurt.