Theatre royal windsor

Yaël Farber’s Macbeth sets out to be a great work of art. The director crams the Almeida’s stage with suggestive props, glass panels, microphones, a wheelbarrow full of jackboots. The witches are not the usual vagrants or carbuncled mystics. These grim-looking ladies have expensive hairdos and nicely ironed shirts — like a panel of disgruntled academics at a tribunal. William Gaunt is a decrepit Duncan who looks ready to receive his telegram from the Queen. He can barely rise from his NHS wheelchair. But one wonders why this frail old chap had to be knifed to death? Much easier to smother him with a pillow and claim he expired naturally.

Ian McKellen in his early eighties plays the Dane in his mid-twenties. A production with such a strange innovation should be conventional in all other details so that the virtues and demerits of the experiment can be judged in the right context. But Sean Mathias’s show adds extra puzzles. Elsinore is a modern palace ruled by Claudius, in a charcoal suit, and Gertrude in a chic emerald dress, pinched at the waist. Nice togs. But the audience knows how a constitutional monarchy works and that a rightful heir succeeds automatically and peacefully. So why are these murderous nutcases roaming the corridors plotting to slit each other’s throats? That contradiction goes