"Dark energy, you are the light of all things." We know that the accelerated expansion of the universe would not be explained without the presence of a mysterious dark energy. An energy that is intuited, that must exist, but that nobody has ever been able to perceive. EL PETIT DE CAL ERIL adds to this hypothesis with a new collection of songs that cross the cosmos to generate an unstoppable gravitational force around it. Like the blue spheres that preside over the cover.