Aria of Kaspar from the opera "Der Freischütz" ("The Marksman") op. 77 J 277 Aria of Kaspar from the opera "Der Freischütz" ("The Marksman") op. 77 J 277 Libretto Friedrich Kind Main opus "Der Freischütz" ("The Marksman"), Romantic Opera in three acts op. 77 J 277