Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/MacNab02/24NewCotillons_1770_Longman.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5898-24NewCotillons_1770_Longman.ps) >>/Users/jc/w/tmp/Tune-5898-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/MacNab02/24NewCotillons_1770_Longman.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Coll_58982.log 627812 Log file, useful mostly for debugging
Coll_58987.log 400848 Log file, useful mostly for debugging
Tune-5898-24NewCotillons_1770_Longman.abc 168 ABC music file with the extracted tune(s)
Tune-5898-24NewCotillons_1770_Longman.ps 6 PostScript
Tune-5898-24NewCotillons_1770_Longman.txt 168 Plain-text file with the extracted tune(s)
Tune-5898-get.log 4447 Log file, useful mostly for debugging
Tune-58982-get.log 1355 Log file, useful mostly for debugging
These files should be available for 24 hours.