"Tsar Saltan" is a famous opera composed by Nikolai Rimsky-Korsakov in 1900. It is based on a fairy tale by Alexander Pushkin and tells the story of Tsar Saltan, who is separated from his wife and son due to the jealousy of his scheming sister-in-law. The opera features magical elements, including a talking swan and a heroic prince. The narrative follows the adventures of Prince Gvidon, the son of Tsar Saltan, as he grows up and ultimately reunites with his father. The opera is celebrated for its lush orchestration and memorable melodies, making it a staple in the operatic repertoire.