Home› Venues› Nationaltheater Mannheim Opera House · Premiere Venue Nationaltheater Mannheim 2 operas premiered here, catalogued in our records. Complete Catalogue of Premieres at Nationaltheater Mannheim 1932 Der gewaltige Hahnrei by Berthold Goldschmidt, 1932 Berthold Goldschmidt German 1977 Die Hamletmaschine by Wolfgang Rihm, 1977 Wolfgang Rihm German