| Jan Herwitz (The National Stage) | 
            June 3, 1999 | 
            Music | 
          
        
          
            | Jan Herwitz (The National Stage) | 
            May 17, 1999 | 
            Music | 
          
        
          
            | The Count of Luxembourg (The National Stage) | 
            December 3, 1941 | 
            Conductor | 
          
        
          
            | Jarlen (The National Stage) | 
            February 16, 1937 | 
            Composer | 
          
        
          
            | Snow White (The National Stage) | 
            December 26, 1932 | 
            Composer | 
          
        
          
            | Lohengrin (The National TheatreThe Norwegian Opera-singers’ Society) | 
            June 14, 1929 | 
            Musical direction | 
          
        
          
            | Skjønnest blandt kvinder (The National Stage) | 
            May 27, 1926 | 
            Conductor | 
          
        
          
            | Tosca (The National Stage) | 
            May 9, 1926 | 
            Musical direction | 
          
        
          
            | Jomfru Hook van Holland (The National Stage) | 
            March 3, 1926 | 
            Conductor | 
          
        
          
            | The Count of Luxembourg (The National Stage) | 
            October 3, 1925 | 
            Conductor | 
          
        
          
            | La Traviata (The National Stage) | 
            May 7, 1917 | 
            Musical direction | 
          
        
          
            | Snehvide (The National Stage) | 
            December 16, 1914 | 
            Composer, Musical direction, Musician | 
          
        
          
            | To friere (The National Stage) | 
            Navember 1, 1914 | 
            Main producer | 
          
        
          
            | Af nød til seir (The National Stage) | 
            May 17, 1914 | 
            Composer | 
          
        
          
            | Orfeus i underverdenen (The National Stage) | 
            April 8, 1912 | 
            Main producer | 
          
        
          
            | Carmen (The National Stage) | 
            August 24, 1911 | 
            Musical direction | 
          
        
          
            | Friarar (The National Stage) | 
            February 5, 1911 | 
            Composer | 
          
        
          
            | Friarar (The National Stage) | 
            April 15, 1910 | 
            Composer | 
          
        
          
            | Carmen (The National Stage) | 
            February 6, 1910 | 
            Musical direction |