How many truly indisputable albums has Catalan pop music produced in the last fifty years? You can count them on the fingers of one hand—or both, if we're being generous. No one would dare to doubt that Diopter nor its significance. Nor is the transversal explosion ofThe best European teachers. Nor of course of For my friend, To alenar either Happiness. Have them, but few. We could dedicate an entire journal to detailing the reasons, but the fact is that when one of them turns fifty, the celebration should be worthy of it. This year marks the album's first half-century. Any night the sun can rise, by Sisa, the galactic artist, the star counter, the astronomical musician whose life was changed by this album. And, in the process, it also changed the future of the country's music.