It's 19 years since the last revival of the show and that revival only ran 31 performances. If this is anything like the production that ran at the National Theatre a few years back (Laurie Metcalfe was in it when it was brought back by popular demand) it will be astonishing.
Nothing precious, plain to see, don't make a fuss over me. Not loud, not soft, but somewhere inbetween. Say sorry, just let it be the word you mean.