Aurora is a total spatiotemporal experience in which the sound, the color and the light follow, over the course of six hours, an unbroken wave, rising and falling, modulated by a device that links the varying of the sound to the variation in the intensity of a beam of light (from 20 to 20.000 MHz) projected onto a screen of iridescent silk that, suspended from the ceiling, hangs down to the ground. A technological night and dawn that are tinged with the ambiguous chill of Burke's "delightful horror" when they reach their peaks: the nocturnal vibration-roar and the inaudible hiss of the full light, too full, of day. "The rainbow is one color, the chromatic scale one sound.". In this, as in the rest of her work, there is a constant input from the technical and creative ideas of Giovanni Del Signore, the primary interlocutor in a process in which the other is presented as a separate and mirror figure.