One raises one's eyes; one sees only the wooden case, magical as a Chinese box; but, at moments, one is still tricked by the deceiving appeal of the Siren; at times, too, one believes that one is listening to a captive spirit, struggling in the darkness of its masterful box, a box quivering with enchantment, like a devil immersed in a stoup of holy water; sometimes, again, it is in the air, at large, like a pure and supernatural creature that reveals to the ear, as it passes, its invisible message.