Intro (slow snare march rhythm, low brass drone) -> Main theme (melancholic string melody) -> Middle section (choir enters softly) -> Climax (full orchestration with brass hits) -> Outro (solo violin fade)
Gothic funeral march, slow tempo 60 BPM, orchestral brass, strings, choir textures, tragic and solemn mood, minor tonal center, cinematic sorrow.
Keep it solemn and grand.