The two operas, 'Turandot' and 'Tosca', are both classic works of Italian OPERA. 'Turandot' is an OPERA in three acts by Giacomo Puccini, based on a play by Carlo Gozzi. It tells the story of a Chinese princess who must solve three riddles in order to win her freedom. 'Tosca' is an OPERA in three acts by Giacomo Puccini, based on a play by Victorien Sardou. It follows the story of a singer who is caught between her love for a painter and her loyalty to a revolutionary. Both operas are considered masterpieces of the genre and have been performed around the world.