The musical 'Evita' is a five-letter word that is set in Argentina. It is a musical based on the life of Eva Perón, the second wife of Argentine President Juan Perón. The musical follows Eva's journey from her humble beginnings to becoming the most powerful woman in Argentina. It was written by Andrew Lloyd Webber and Tim Rice and first opened in London in 1978. It has since been adapted into a film and a Broadway production.