"Durch Wald und Feld bin ich geirrt" from the operetta "Der lustige Krieg" ("The Merry War") "Durch Wald und Feld bin ich geirrt" from the operetta "Der lustige Krieg" ("The Merry War") Main opus "Der lustige Krieg" ("The Merry War"), operetta in 3 acts, libretto by F. Zell and Richard Genée