sentences:  Since the 19th century other verses have been added, in German and in translation.The poetry of Isaiah's prophecy has featured in Christian hymns since at least the 8th century, when Cosmas the Melodist wrote a hymn about the Virgin Mary flowering from the Root of Jesse, "", translated in 1862 by John Mason Neale as "Rod of the Root of Jesse".The text of the German hymn "" dates from the 15th century and is by an anonymous author.