If it is performed well, Tosca (1900) should be a thrilling and emotional story to see and to hear in the opera house. It is a political thriller with an exciting plot with revolutionaries (革命者) seeking to escape the police. It is also a romantic (浪漫的) drama of two lovers. Caught up in the political events, they are set against each other but remain true to their love. And it is all set to music, some of the most memorable music in the history of opera.