>It might be the only time that a show bitches about the theatre it's appearing in!<
Not true. In the original Merrily We Roll Along, Frank and Charlie's Broadway hit, "Musical Husbands," is playing at the Alvin Theatre, the same theatre where Merrily was playing. On opening night, Charlie's wife is pregnant, and Charlie is rushing off to the hospital. Mary has a joke along the lines that it's a good thing Charlie's wife didn't give birth at the theatre, otherwise they might have been tempted to name the baby Alvin. (The joke might remain in the revised version, but I can't recall).
Also, in Lena Horne: The Lady and Her Music, Lena had some set patter about what a dump the Nederlander Theatre was/is. I vaguely recall that she actually wouldn't allow the air conditioning at the theatre to be used, for her voice, but blamed it on the theatre in her act.
Begin at the beginning and go on till you come to the end: then stop.