Krewe of Orpheus guarded the gates of Hell. He passed through crowds of ghosts, and presented himself before Hades and Persephone. Orpheus strummed his lyre as he implored them to return Eurydice to the realm of the living. As he sang, the ghosts wept and the cheeks of the Furies became wet with tears. The yearning notes from Orpheus' lyre had kindled their memories of the sweet secrets of life's pleasures. At last, Eurydice was called forth. Orpheus was permitted to take her away, on condition that he should not turn to look at her until they both reached the surface. They traveled
The Mask of Orpheus with the Orpheus myth decaying. "The Mask of Orpheus", in addition to vocal and orchestral music, contains a significant amount of electronic music, (which was precisely composed by Birtwistle, and realized on his behalf by Barry Anderson). Each act has its own electronic "aura", which goes on continuously, sometimes prominently, sometimes inaudibly; the voice of Apollo is heard on several occasions as an electronic sound "speaking" in an invented language. These electronic sounds were made by Anderson in Paris at IRCAM. There are also six purely electronic interludes created by computer manipulation of harp sounds. Jocelyn Herbert was commissioned to