Unless stated otherwise, my source for hymn texts and tunes is The Lutheran Service Book.
Friday, July 23, 2021
"Wake, Awake, for Night Is Flying"
In the line "For her Lord comes down all-glorious" in "Wake, Awake, for Night Is Flying," "glorious" is sung with a melisma (A G A G). Here's that phrase from the tune "Wachet auf":
This articulation gives a sense of degree, illustrating that "all."