Question: What nationality was the composer of the symphonic poem Prince Rostislav ? 
Sentence (from "Héroïde funèbre (Liszt)"): Liszt said of the program, "In these successive wars and carnages, sinister sports, whatever be the colours of the flags which rise proudly and boldly against each other, on both sides they float soaked with heroic blood and inexhaustible tears.
Relevant evidence: No