 The musical starts as an Andrew Lloyd Webber parody with the setting of a girl's private school but they've included issues such as the Spanish Civil War and the McCarthy era.On being asked about Bessie's fatness, the producer (Sir Dave) replies "it is a sort of mental fatness".The lead actress, Carla, belts out in rehearsals one of the songs, "One Day", despite insisting she has "pneumonia".