A cappella choir, mixed voices, folk ballad, E minor. No instruments. Mystical, haunting, like a legend sung around a fire in the fog. Intro: choir quietly, like wind. Chorus: full mixed choir, powerful, epic. Middle section: female voices lead, then male voices respond. Climax: all voices together, crescendo, huge and haunting. Outro: child voice alone, spoken, then silence. Mood: timeless, legendary, beautiful, terrifying. Dynamics: quiet intro -> powerful climax -> fading to silence.