In Greek mythology, Hades, the god of the Underworld, the god of the Dead, is the most hated of all the immortals, because he is the only god who never answers prayer. Never. The exception that proves the rule is the story of Orpheus and Eurydice. Orpheus was the greatest of mortal musicians. When his beloved wife, Eurydice, died, he simply could not accept the finality of that loss. So he took his harp and journeyed to the Underworld. There he played so beautifully, sang so poignantly of mortal sorrow, that tears of molten iron ran down the implacable face of Hades, and for the only time ever recorded, he relented. Eurydice would be permitted to follow Orpheus back into the world of the living, the world of the sun. But he must not look behind him until they had bo…