Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/march/JohnJohnson_ChoiceCollectionVol8-V1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4542-JohnJohnson_ChoiceCollectionVol8-V1.ps) >>/Users/jc/w/tmp/Tune-4542-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/march/JohnJohnson_ChoiceCollectionVol8-V1.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-4542-JohnJohnson_ChoiceCollectionVol8-V1.abc 173 ABC music file with the extracted tune(s)
Tune-4542-JohnJohnson_ChoiceCollectionVol8-V1.ps 6 PostScript
Tune-4542-JohnJohnson_ChoiceCollectionVol8-V1.txt 173 Plain-text file with the extracted tune(s)
Tune-4542-get.log 4595 Log file, useful mostly for debugging
Tune-45421-get.log 4440 Log file, useful mostly for debugging
Tune-45422-get.log 3884 Log file, useful mostly for debugging
Tune-45423-get.log 2874 Log file, useful mostly for debugging
Tune-45426-24CountryDances_1794_Preston.abc 165 ABC music file with the extracted tune(s)
Tune-45426-24CountryDances_1794_Preston.ps 6 PostScript
Tune-45426-24CountryDances_1794_Preston.txt 165 Plain-text file with the extracted tune(s)
Tune-45426-get.log 4492 Log file, useful mostly for debugging
Tune-45428-get.log 4692 Log file, useful mostly for debugging
Tune-45429-get.log 4516 Log file, useful mostly for debugging
These files should be available for 24 hours.