Original: Cox , Michael , editor , The Concise Oxford Chronology of English Literature , '' 1808 '' , p 289 , Oxford University Press , 2004 , ISBN 0-19-860634-6 Today it is best known as the hymn '' Jerusalem '' , with music written by Sir Hubert Parry in 1916 .
Simplified: Today it is best known as the hymn Jerusalem , sung to music written by C. Hubert H. Parry in 1916 , more than a century after Blake had written the poem .