Tancredi is an opera composed by Gioachino Rossini, first performed in 1813. It is based on the play "Tancrède" by Voltaire and is set in the medieval period. The story revolves around the themes of love, honor, and betrayal, focusing on the tragic romance between the titular character, Tancredi, and his beloved, Amenaide. The opera features a rich score with beautiful arias and ensembles, showcasing Rossini's signature style. It is notable for its dramatic moments and emotional depth, making it a significant work in the bel canto repertoire. Tancredi remains a popular choice in opera houses around the world.