Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Whetherly21/JohnJohnson_ChoiceCollectionVol8-V2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2743-JohnJohnson_ChoiceCollectionVol8-V2.ps) >>/Users/jc/w/tmp/Tune-2743-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Whetherly21/JohnJohnson_ChoiceCollectionVol8-V2.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Tune-2743-JohnJohnson_ChoiceCollectionVol8-V2.abc 179 ABC music file with the extracted tune(s)
Tune-2743-JohnJohnson_ChoiceCollectionVol8-V2.ps 6 PostScript
Tune-2743-JohnJohnson_ChoiceCollectionVol8-V2.txt 179 Plain-text file with the extracted tune(s)
Tune-2743-get.log 13029 Log file, useful mostly for debugging
Tune-27430-get.log 4775 Log file, useful mostly for debugging
Tune-27431-get.log 19141 Log file, useful mostly for debugging
Tune-27433-get.log 8035 Log file, useful mostly for debugging
Tune-27434-get.log 3182 Log file, useful mostly for debugging
Tune-27435-Konsta_Jylha.abc 148 ABC music file with the extracted tune(s)
Tune-27435-Konsta_Jylha.txt 148 Plain-text file with the extracted tune(s)
Tune-27435-get.log 8166 Log file, useful mostly for debugging
Tune-27436-get.log 5387 Log file, useful mostly for debugging
Tune-27437-get.log 4803 Log file, useful mostly for debugging
Tune-27438-get.log 3098 Log file, useful mostly for debugging
These files should be available for 24 hours.