"Hahnentanz" from the opera "Heilmar der Narr" ("Heilmar the fool") op. 40 "Hahnentanz" from the opera "Heilmar der Narr" ("Heilmar the fool") op. 40 composer Wilhelm Kienzl Main opus "Heilmar der Narr" ("Heilmar the fool"), opera in 3 acts and 1 prelude op. 40