Pluto (mythology) designed a set with a rotating mountain that opened up to reveal Pluto emerging from the underworld; the drawing survives and was the basis for a modern recreation. The tragic descent of the hero-musician Orpheus to the underworld to retrieve his bride, and his performance at the court of Pluto and Proserpina, offered compelling material for librettists and composers of opera (see List of Orphean operas) and ballet. Pluto also appears in works based on other classical myths of the underworld. As a singing role, Pluto is almost always written for a bass voice, with the low vocal range representing
Hell that Hell is infinitely small; it is nothing more or less than what happens to a soul that turns away from God and into itself. Piers Anthony in his series "Incarnations of Immortality" portrays examples of Heaven and Hell via Death, Fate, Underworld, Nature, War, Time, Good-God, and Evil-Devil. Robert A. Heinlein offers a yin-yang version of Hell where there is still some good within; most evident in his book "". Lois McMaster Bujold uses her five Gods 'Father, Mother, Son, Daughter and Bastard' in "The Curse of Chalion" with an example of Hell as formless chaos. Michael Moorcock is