Nice. I also threw oil and literally never took a shot from the beast. Just stood back and threw 2 molotovs and it was over.Heh, Parry + Molotovs was my strat here too!
https://www.youtube.com/watch?v=h3qU1B6QGcQ
What's the music box and where do you get it?
The music box is
up all the ladders near the big pig in the sewers. A young girl (Father Gs daughter) gives it to you...sad story. Supposed to randomly stun the boss if you play it.