"토스카" is an opera composed by Giacomo Puccini, first performed in 1900. Set in Rome during the Napoleonic Wars, it tells the story of Tosca, a passionate singer, and her lover, Cavaradossi, who faces execution due to political intrigue. The opera is known for its dramatic intensity and beautiful arias. The plot revolves around themes of love, betrayal, and sacrifice. Scarpia, the antagonist, seeks to possess Tosca, leading to a tragic climax. "토스카" remains one of the most performed operas worldwide, celebrated for its emotional depth and Puccini's masterful music.