Iperuranio refers to the 'hyperuranium', a philosophical concept from Plato's theory of Forms: a transcendent realm where perfect, eternal Ideas exist beyond the physical world.
In the song, Caparezza uses this rare, intellectual word to describe a place where ideas endure even after they seem to have been destroyed or forgotten, as in the line "Alle ruspe nell'iperuranio" ("To the bulldozers in hyperuranium"), contrasting destruction with the permanence of thought.
Welcome to the "Planet of Ideas"! In this song, Caparezza takes us on an exploration of a strange and desolate world. It's not a pleasant place; the ground is covered in ash, and the only inhabitants are vague, smoky beings he calls "ectoplasms." These ghostly figures are his own abandoned ideas, begging him to give them a physical form. They are described as hordes of doubt and uncertainty, like specters of "Maybe," "Perhaps," and "I don't think so."
The ideas call him their "father" and plead with him not to leave them as orphans, but the artist is wary. He sees them as opportunistic and fears they could become an obsession that would trap him. In a powerful declaration, he states, "I will never die for an idea, I prefer an idea to live for." Ultimately, he decides to leave this planet, saying goodbye to these haunting, unrealized thoughts and choosing to move on.