Watch HDToday. Diktat is a tyrannical ruler unleashing chaos on the planet. But, as a band of unlikely heroes forms, launching a battle of biblical proportions, can a shattered world heal in time? Masque of Might is the world premiere of a witty and satirical new opera which sees Sir David Pountney skillfully assemble Henry Purcell’s music to create a fantastical and thoroughly modern tale of power, corruption and the gathering climate crisis.