...it's always a pleasure to watch this ensemble of gifted talents do what they do best -- be spontaneous and funny and surprising. What we get is a master-class demonstration of the distinction between comic actors and comedians who try to act.
For all its japes and jokes, the movie is really about exhaustion of the spirit: sitting in a bleak hotel suite at 4 a.m. with the bad taste of last night in the mouth and the feeling that tomorrow will not be a better day.
The comedy is very unsubtle, and huge swathes of screen-time are given over to Fred Willard as a presenter on a dumb entertainment TV show - funny, yes, but not funny enough to justify the vast amount of time he is given.
The songs (co-written by Guest and Tapster Harry Shearer) are suitably ridiculous and the deadpan gags come thick, fast and too numerous to mention, all delivered with knuckle-gnawing subtlety by the C-list cast with A-list style.