Condena means "doom" or "curse," and can also refer to a "sentence" as in a trial. It’s a beautifully dramatic word for a pop song, hinting at a deep, inescapable sorrow.
In "Caraluna," the singer says, "esa luna es mi condena" (that moon is my curse). The moon constantly reminds him of his lost love's face, turning what should be a beautiful sight into a painful, nightly torment. This single word perfectly captures the song's theme of being haunted by a memory.
Have you ever tried to move on from someone, only to find their memory plastered across literally everything you see? That is the exact frustration behind "Caraluna" by Bacilos. The ocean tides might have washed away their footprints in the sand ("Tu huella el mar se la llevó" [the sea carried your footprint away]), but nature refuses to let him forget. Instead, he looks up at night and literally sees their face staring back at him from the moon: "esa luna es mi condena" (that moon is my sentence/curse). It turns out that looking at the night sky or listening to the crashing sea foam just keeps projecting their voice right back into his ears.
To make matters worse, everyday life is no help either. Whenever he hops in the car, he has to keep switching radio stations because every single track seems to talk directly about this person: "Mientras tenga que cambiar la radio de estación / Porque cada canción me hable de ti" (As long as I have to change the radio station / Because every song talks to me about you). He even admits to feeling a little guilty about it, confessing that he is using her memory and stealing it for songwriting fuel ("Robándote en mi inspiración" [stealing you in my inspiration]). It is catchy and rhythmic, but the premise is completely relatable: you are desperate to escape someone's ghost, but your own brain keeps turning the whole world into a giant reminder of them.