Cinematic, Duet vocals, High-pitched Soprano, Crystal clear, Powerful belt, Airy, Ethereal, Haunting, Atmospheric, Reverb-heavy, Dreamy, Melancholic, Emotional, Tearful, Sad, Heartbreaking, Cinematic dark Vietnamese ballad duet, slow tempo around 70 BPM. Male high tenor lead, female soft soprano. Haunting intro with piano, erhu, guzheng and dark ambient pads, creating a mystical and melancholic cinematic atmosphere. Gradual orchestral build with cinematic strings, light choir pads and deep drums. Structure: intro → verse 1 → chorus → instrumental break → verse 2 (starting with “Đến hôm nay còn đây, là tim đã hao gầy”) → chorus repeat → instrumental build → final key change duet climax → whisper outro. Vocal styLe: minimal harmony, male lead prominent in final chorus. Lyrics rule: clear pauses between lines, each lyric line separated, natural phrasing, no words connected between lines. Mood: cinematic, mystical, sorrowful, tragic love