useless trivia: What Word Means: A River That Flows Through Damascus?

Questions

Which country (capital Kiev) lies just south of Belarus?

The name of which musical instrument means "sound of wood"?

Which 1978 film from the book of the same name by Ira Levin, tell of the cloning of Adolf Hitler?

Which 1986 film, from the book of the same name by Umberto Eco, tells of a 10th century detective and monk?

Which instrument developed from African and Latin-American origins features in a modern orchestra as a bass xylophone?