Upbeat romantic Latin pop song with a warm, expressive masculine lead vocal only. The voice must sound Latin American Spanish, specifically Peruvian (Lima accent), natural and intimate, emotionally sincere but confident and joyful.
Tempo mid-tempo, around 100–115 BPM, rhythmic and uplifting. Modern pop production with acoustic guitar, soft piano, warm bass groove, and light Latin percussion. In the chorus, add a subtle zampoña (pan flute) melody to enrich the emotional impact and give a gentle Peruvian flavor. The pan flute should blend smoothly, supporting the chorus without overpowering the vocal.
The chorus should feel bright, memorable, and emotionally expansive, with layered male harmonies repeating “No lo esperaba.” Overall mood: joyful, romantic, warm, hopeful, long-distance love with light cultural touch.