You need to make a plan.
You need a short Generic Introduction (2-3 lines)
You NEED to have a longer introduction that gets to grips with 1) the Question (key words),
2) that states your approach to the Question,
3) that contains SOME social and historic contexts (BUT DON’T TURN IT INTO A HISTORY OF THEATRE ESSAY).
Use the image of a sieve (not everything is going to get into the essay.)