One of the joys of theatre is that it is constantly evolving: there is no 'fixed', final cut, as in a movie when it is ready to be released. Instead, every single performance can be, and often is, different from the ones that preceded it. Often this is especially the case with press nights, where " charged by pressure from the critics in the house on the one hand and the over-eager friends and investors on the other …
SOURCE: The Stage at 07:07PM on June 13, 2012