In addition to yesterday's post about the Ancient Greek Myth of Io and Zeus, please find here an excerpt from the "Io Passion" libretto: "The myth of Io offers a primitive pre-dramatic representation of the moon-goddness. In ancient rite, the moon was often worshopped as a celestial cow, because the new moon resembled cow-horns. In dramatic ritual, this cow would have sported three colours: white for the new moon, red for the harvest moon, black for the moon when it had waned. These also represent the three phases of the moon-goddess – the virgin, the woman, and the crone…", - as well as N.B. about the stage: "The phases of the moon are indicated above the stage".