Escondida means "hidden" or "concealed." While the root verb esconder (to hide) is common, the past participle used as an adjective, especially in this context, makes it interesting.
In the song, the lyric "Yo escondida no te podía escuchar" (I, hidden, couldn't hear you) reveals a deeper emotional state. It's not just about physical hiding, but perhaps an emotional or psychological withdrawal that prevented the narrator from receiving the other person's efforts. This adds a layer of introspection and vulnerability to the word.
Have you ever felt like you pushed someone away, even when they were trying to reach you? Bely Basarte's "No es tu culpa" explores this feeling with heartbreaking honesty. The singer is talking to someone who is no longer in her life, someone who doesn't call or write anymore. She wishes they would come back, but she's worried they think she doesn't miss them.
The most powerful part of the song is when she admits, "No es tu culpa, tú hiciste por gritar / Yo escondida no te podía escuchar" (It's not your fault, you tried to shout / I was hiding and couldn't hear you). She takes the blame, explaining that she's not the type to look for "a light when there is darkness." She remembers how she used to shine when she was with this person and now, feeling lost, she sends out a simple, desperate plea: "Vuelve a por mí" (Come back for me).