Only the first title should be converted to from sort to display order. Subtitles don't influence display order, so don't need to be touched. OK, I now have a subtitle with a comma ('Ring the Bell, Watchman'). If it was the main title I'd have to do something else, but it isn't, so for now...

X: 1
T: Night Poor Larry Was Stretched, The
R: slip jig
M: 9/8
L: 1/8
K: Emin
"Em" GFE EB,(E E2) G | "D" FED DA,D FGA | "Em" GFE EB,(E E2) G |\
"D" FGA ABG FED :|
"G" GAB BcB d2 B | GAB Bc"D"d cAF | "G" GAB BcB B2 (c | "D" c)BA ABG FED :|