What do you think of this musical scene?

Sounds interesting. Is this part of a full show you are writing, or is it a stand alone scene? If it is a stand alone scene, I think it is a bit vague. Is the man really evil, or is it a typical "angry mob" who are just looking for a scapegoat? Keep working at it, I think you've got some good things going on. I like that you've thought about the "in-between moments", where there are snake rattles, and mob murmurs.