"L'Orfeo" is an opera composed by Claudio Monteverdi in 1607, often considered the first great opera in history. It tells the story of Orpheus, a legendary musician who descends into the Underworld to rescue his wife, Eurydice, after her untimely death. The opera combines music, drama, and poetry to explore themes of love, loss, and the power of music. The work is notable for its innovative use of instruments and vocal techniques, setting the stage for future operatic compositions. "L'Orfeo" is performed in five acts and features a blend of recitative and arias, showcasing the emotional depth of its characters and the beauty of its score.