"Orfeo ed Euridice" is an opera composed by Christoph Willibald Gluck that premiered in 1762. It tells the story of Orpheus, a legendary musician, who descends into the Underworld to rescue his beloved wife, Euridice, after her untimely death. The opera emphasizes themes of love, loss, and the power of music. In the Underworld, Orpheus is granted permission to bring Euridice back to the living world, but he must not look at her until they reach the surface. Tragically, he succumbs to doubt and turns to gaze at her, resulting in her permanent loss. The opera is celebrated for its emotional depth and innovative musical structure.