Barbican is staging the first UK performance of Robert Wilson and Philip Glass’s Einstein On The Beach next year, and tickets have gone on sale already, starting today. Performances will start at 4pm, 5:30pm, or 6pm, and will last for five hours. Production is by Pomegranate Arts with choreography from Glass and Wilson collaborator Lucinda Childs. London Barbican, 4–13 May, £35-£125.