This week's best... theatre & dance performances
Adding Machine: A Musical | Séance | And Then Come the Nightjars | The Cheviot, The Stag And The Black, Black Oil | The Book Of Mormon | 2Faced Dance | Candoco Dance Company | Jasmin Vardimon Company US playwright Elmer Rice looked at the effects of big business and mechanisation on the lives of ordinary people. One of his big successes was expressionistic 1923 drama The Adding Machine, in which humans are mere pawn…