William Blake’s great poem, along with Hubert Parry’s rousing music, has become an unofficial anthem but it has a complex back story.
The Fight for Parry’s Jerusalem On March 11, 1916, Sir Hubert Parry handed a manuscript that would transform how the English saw themselves to his friend, Henry Walford Davies, with the rather casual words: “Here’s a tune for you, old chap. Do what you like with it.”...