"Heute Nacht" ("Tonight"), Song of Marcu from t"Apajune, der Wassermann" "Heute Nacht" ("Tonight"), Song of Marcu from t"Apajune, der Wassermann" composer Carl Millöcker Libretto Richard Genée Libretto F. Zell Main opus "Apajune, der Wassermann", Operetta in 3 Acts,