Sarah Siddons as the Tragic Muse paintings of Melpoméne, she is represented with a tragic mask and also often holds in her other hand a knife or club. In Greek mythology, she is the daughter of Zeus and Mnemosyne, who had eight other daughters, Melpoméne's sisters and the eight other muses are: Calliope, muse of epic poetry; Clio, muse of history; Euterpe, muse of flute playing; Terpsichore, muse of dancing; Erato, muse of erotic poetry; Thalia muse of comedy; Polyhymnia, muse of hymns; and Urania, muse of astronomy. Reynolds was inspired not only by Sarah Siddons' extreme talent to embody the tragic heroine in Macbeth, but
Charge of the Goddess opening paragraph names a collection of goddesses, some derived from Greek or Roman mythology, others from Celtic or Arthurian legends, affirming a belief that these various figures represent a single Great Mother: This theme echoes the ancient Roman belief that the Goddess Isis was known by ten thousand names and also that the Goddess still worshipped today by Wiccans and other neopagans is known under many guises but is in fact one universal divinity. The second paragraph is largely derived and paraphrased from the words that Aradia, the messianic daughter of Diana, speaks to her followers in Charles Godfrey Leland's