[ZK] No, not Casualty. Rab was wondering about the counterpoint - well, there really wasn't any. That might help. Remember that I've already said it's the ENTIRE theme.
[Lib] I believe you're thinking of Saint-Saens' Dans Macabre (doodoo, doodoo, doodoo, doodoo....) and see my second answer to Tuj, which should have narrowed it down a bit for you.