Pluto (mythology) authorship of the lyrics that have survived as the "Orphic Hymns", among them a hymn to Pluto. Orpheus's voice and lyre-playing represented a medium of revelation or higher knowledge for the mystery cults. In his central myth, Orpheus visits the underworld in the hope of retrieving his bride, Eurydice, relying on the power of his music to charm the king and queen of Hades. Greek narratives of Orpheus's descent and performance typically name the ruler of the underworld as "Plouton", as for instance in the "Bibliotheca". The myth demonstrates the importance of Pluto "the Rich" as the possessor of a
Magic in the Graeco-Roman world (Circe is called a witch by a companion of Odysseus). In this mode it is worth noting that Circe is representative of a power (the Titans) that had been conquered by the younger Olympian gods such as Zeus, Poseidon and Hades. The 6th century BCE gives rise to scattered references of magoi at work in Greece. Many of these references representing a more positive conceptualisation of magic. Among the most famous of these Greek magoi, between Homer and the Hellenistic period, are the figures of Orpheus, Pythagoras, and Empedocles. Orpheus is a mythical figure, said to have lived in Thrace