Desvaneció is the past tense of the verb desvanecer, meaning 'to fade away' or 'vanish'. It's a more poetic and gentle way to say something disappeared, suggesting a memory or feeling that slowly dissolved over time.
In the song, Alvaro Soler sings about a beautiful moment from his past that "se desvaneció" (faded away). This evocative word perfectly captures the bittersweet feeling of a cherished memory that you can no longer hold on to.
Alvaro Soler's "Sofia" might sound like a super upbeat, happy party song, but the lyrics tell a different story. It's actually a breakup song! The singer is talking to his ex, Sofia, telling her he's moving on without her. He keeps repeating the main line, "Mira Sofía, sin tu mirada, sigo" (Look Sofia, without your gaze, I go on), trying to convince her (and maybe himself) that he's doing just fine.
But is he really over her? He seems a little obsessed with her new relationship, asking, "Dime Sofía, cómo te mira, dime" (Tell me Sofia, how does he look at you, tell me). He even admits his own faults from their time together, saying "Sé que te corté las alas / Él te hizo volar" (I know I cut your wings / He made you fly). It's a song full of mixed feelings: he's trying to be strong and move forward, but he's also clearly hurt and curious about her new life.