‘We hope you enjoy the performance,’ announced the Tannoy before the lights went down for How did we get here? – the accent being put on ‘hope’, as though enjoyment was unlikely. I took a deep breath in anticipation of modern dance at its most portentous and pretentious, my expectations already depressed after imbibing some hot air from a note in the programme – ‘we feel our power, all the way to the edges of ourselves’ and so forth.