Overture to the Opera "Orfeo ed Euridice" ("Orpheus and Eurydike") Overture to the Opera "Orfeo ed Euridice" ("Orpheus and Eurydike") composer Christoph Willibald Gluck Libretto Ranieri de' Calzabigi Main opus "Orfeo ed Euridice" ("Orpheus and Eurydike"), Opera in 3 Acts