"Rinaldo" is an opera composed by George Frideric Handel in 1711. It is notable for being one of the first operas written in Italian for the English stage. The story is based on the epic poem "Jerusalem Delivered" by Torquato Tasso and follows the adventures of the knight Rinaldo as he battles for love and glory during the First Crusade. The opera features a mix of heroic and romantic themes, showcasing Handel's signature use of elaborate arias and orchestration. "Rinaldo" includes famous musical pieces, such as the aria "Lascia ch'io pianga," which has become a popular concert favorite.