Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/NewColl44Cot/24FavouriteDances_1779_Straight.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4075-24FavouriteDances_1779_Straight.ps) >>/Users/jc/w/tmp/Tune-4075-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/NewColl44Cot/24FavouriteDances_1779_Straight.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_40754.log 2287231 Log file, useful mostly for debugging
Form_40755.log 924 Log file, useful mostly for debugging
Tune-4075-24FavouriteDances_1779_Straight.abc 176 ABC music file with the extracted tune(s)
Tune-4075-24FavouriteDances_1779_Straight.ps 6 PostScript
Tune-4075-24FavouriteDances_1779_Straight.txt 176 Plain-text file with the extracted tune(s)
Tune-4075-get.log 4553 Log file, useful mostly for debugging
Tune-40752-get.log 11416 Log file, useful mostly for debugging
Tune-40753-get.log 8016 Log file, useful mostly for debugging
Tune-40755-get.log 5179 Log file, useful mostly for debugging
Tune-40757-get.log 4874 Log file, useful mostly for debugging
Tune-40759-get.log 5500 Log file, useful mostly for debugging
These files should be available for 24 hours.