Michael Frayn’s backstage comedy, Noises Off, is the theatre’s answer to Trooping the Colour. Everyone agrees that it’s an amazing display of synchronised choreography but does anyone actually want to see it? Yes, to judge by the press-night crowd at the Garrick. The joint was packed.

The show opens at the dress rehearsal of a bedroom farce where an incompetent actress, Dotty Otley, is listening to advice from an exhausted but infinitely patient director.