"Is this enhanced by suggesting that one of Broadways highest grossing shows should move from the biggest Broadway theatre to the smallest? "
You should try to see a show called "Irony" before the year closes.
And no, there are no guidelines on how long a signature should be.
When I sign documents, i use my first name, the entirety of the Declaration of Independence, two e.e. cummings poems, a drawing of a cat, and my last name.
"...everyone finally shut up, and the audience could enjoy the beginning of the Anatevka Pogram in peace."