Publisher Desc.  In 820 Louis the Pious, Emperor of the Holy Roman Empire heard Theodulph of Orleans singing his hymn while under house arrest. Louis was so inspired by the hymn that he released Theodulph. In 1603 Melchoir Teschner set the hymn tune to new lyrics. J. S. Bach created the harmonization that is commonly used. John Mason Neale translated it into English. You will receive the Score plus separate parts. The piano part is also playable on organ or pedal harp. The harp part is clearly marked for lever and pedal changes. Lever harpists will play the glissando in the fourth verse diatonically.