Unless stated otherwise, my source for hymn texts and tunes is The Lutheran Service Book.
Sunday, January 29, 2017
"O Welt, ich muss dich lassen"
This is the standard one-verse-of-one-arrangement-one-verse-of-an-other (LW 85 and LSB 396). I'm pretty sure I read and played the notation correctly; it's just that both have some weird harmonies.