The song "Il Mistero Di Lisa" by Umberto Tozzi tells the story of a mysterious woman named Lisa. The lyrics describe Lisa as the subject of a painting, emphasizing her enigmatic smile, which captivates the painter's hands. Lisa is depicted as both alive and dying, symbolizing the transient nature of life itself. The song portrays Lisa as a noblewoman from Florence, whose face is illuminated by the colors of the morning. She is compared to the occasional pink hues of the sky, evoking her beauty and uniqueness. The lyrics also mention being alone with Lisa in an empty room in the Louvre, where the alarm sounds and signals the need to leave. The speaker refers to Lisa as his obsession, expressing his deep connection and infatuation with her. Overall, "Il Mistero Di Lisa" evokes a sense of intrigue and fascination towards the enigmatic character of Lisa, her beauty, and the unknown stories and emotions that lie behind her mysterious smile.