Sir Orfeo as being a parallel dimension to the everyday world rather than the Land of the Dead as in the Greek myth of Orpheus and Eurydice. The ability to move between one world and the other distinguishes the tale as told in its various British versions such as "Sir Orfeo" and the Shetland ballad "King Orfeo" where the captors are envisaged as inhabitants of a parallel fairy domain rather than as the infernal region of the Dead ruled over by Hades as in the Greek myth. Katharine Briggs sees the tale as related in British folk narratives as being equally influenced
Hades to his new realm. Hades obtained his wife and queen, Persephone, through abduction at the behest of Zeus. This myth is the most important one Hades takes part in; it also connected the Eleusinian Mysteries with the Olympian pantheon, particularly as represented in the "Homeric Hymn to Demeter", which is the oldest story of the abduction, most likely dating back to the beginning of the 6th century BC. Helios told the grieving Demeter that Hades was not unworthy as a consort for Persephone: Despite modern connotations of death as evil, Hades was actually more altruistically inclined in mythology. Hades was