What song made claudio monteverdi famous?

Claudio Monteverdi became famous primarily for his Opera "L'Orfeo," which premiered in 1607. This work is often considered one of the earliest masterpieces of the genre and showcases Monteverdi's innovative use of music to convey emotion and drama. His ability to blend vocal and instrumental music helped establish him as a key figure in the transition from the Renaissance to the Baroque period.