The first line of the fourth verse is "Jesus has come as the King of all glory!" sung to this phrase from the tune "Jesus ist kommen, Grund ewiger Freude":
"All" is sung with a melisma (F Eb), giving something of a sense of entirety.
The same feature is present at the end of the fourth verse, where "all" in the line "Jesus has come! He, the King of all glory!" is sung with a melisma (F G) in this phrase:
