Dance Base, EdinburghBy breaking Lady Macbeth's psyche down into three roles danced by men, Kally Lloyd-Jones fascinatingly fleshes out Shakespeare's underwritten antiheroineWhat kind of a play might Shakespeare have written if Lady Macbeth, rather than her husband, had been given the leading role? This is the premise of Kally Lloyd-Jones's bold and haunting new work, in which she tries to imagine the full story of a…