Bruno Ravella has updated the action of Handel’s Agrippina to the consumerist hell of the 1980s, giving us big hair, shoulder pads, cocaine and ruthlessness in spades. Agrippina, immaculately coiffured and sharply suited, channels Alexis (Joan Collins in Dynasty) as she plots, bargains and schemes to ensure her son, Nerone, is proclaimed heir to Claudio’s throne.