Desvelo comes from the verb desvelarse, which means to stay awake, often due to worry, excitement, or deep thought. It's more profound than simply 'no dormir' (not sleeping).
In the song, Morad sings, "Sabes que por ti me desvelo" (You know I stay awake for you). This line beautifully conveys a sense of longing, preoccupation, or even suffering caused by thoughts of the other person, making it a very evocative and relatable word in a romantic context.
In "Desespero", Spanish artist Morad links up with RVFV to talk about an ex who is playing mental games. The hook sets the whole mood: "¿Será que lo hace para ver si me desespero?" ("Could she be doing this to see if I get desperate?"). She flaunts a brand-new partner, yet neither guy truly believes she has moved on. Morad drops one of the cheekiest lines in the track when he claims, "Ella tiene un nuevo novio, pero a ese novio le pone mi cara" ("She has a new boyfriend, but she puts my face on him"). He even shrugs off any lingering jealousy by insisting his mother already takes up all the room in his chest ("mi madre ha llenado todo ese aforo").
Beneath the cocky swagger, though, the track flips back and forth between big talk and genuine longing. When RVFV jumps in, the tone gets much softer. He admits to losing sleep ("por ti me desvelo") and complains that she acts tough with "sentimientos de acero" ("feelings of steel"). The Spanish word "desespero" refers to that frantic, crawling-out-of-your-skin sense of despair when someone keeps leaving mixed signals—calling you over one minute, then ignoring you the next ("luego no quiere saber nada"). It is an honest, addictive ride through wounded pride, stubborn denial, and old feelings that refuse to die.