The origin of the opera The company that first sponsored the opera was the Nationalsingspiel -LRB- `` national Singspiel '' -RRB- , a pet project -LRB- NUMBER@1 -- NUMBER@2 -RRB- of the MISC@1 emperor PERSON@1 .

The opera was first performed by the Nationalsingspiel -LRB- `` national Singspiel '' -RRB- which was sponsored by the MISC@1 emperor PERSON@1 .
