Conversation so far:
What kind of drama happened in the musical?
The fact that she's monstrous to her daughters and the world is secondary...
Why was she monstrous to her daughters?
CANNOTANSWER.
What other drama happened?
Rose was a woman who was traumatized by her own mother leaving her at an early age.
Was there anyone else in the show?
CANNOTANSWER.

Question: what else is interesting?
Self-contained rewrite: Besides the musical, what else is interesting?