Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Book04/JohnJohnson_ChoiceCollectionVol8-VMP.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4193-JohnJohnson_ChoiceCollectionVol8-VMP.ps) >>/Users/jc/w/tmp/Tune-4193-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Book04/JohnJohnson_ChoiceCollectionVol8-VMP.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-4193-JohnJohnson_ChoiceCollectionVol8-VMP.abc 175 ABC music file with the extracted tune(s)
Tune-4193-JohnJohnson_ChoiceCollectionVol8-VMP.ps 6 PostScript
Tune-4193-JohnJohnson_ChoiceCollectionVol8-VMP.txt 175 Plain-text file with the extracted tune(s)
Tune-4193-get.log 4626 Log file, useful mostly for debugging
Tune-41930-get.log 5451 Log file, useful mostly for debugging
Tune-41931-get.log 15769 Log file, useful mostly for debugging
Tune-41934-get.log 3370 Log file, useful mostly for debugging
Tune-41935-get.log 5238 Log file, useful mostly for debugging
Tune-41937-get.log 1539 Log file, useful mostly for debugging
Tune-41938-24CountryDances_1782_Thompson.abc 168 ABC music file with the extracted tune(s)
Tune-41938-24CountryDances_1782_Thompson.ps 6 PostScript
Tune-41938-24CountryDances_1782_Thompson.txt 168 Plain-text file with the extracted tune(s)
Tune-41938-get.log 7928 Log file, useful mostly for debugging
Tune-41939-CSRHW-abc1.abc 150 ABC music file with the extracted tune(s)
Tune-41939-CSRHW-abc1.ps 6 PostScript
Tune-41939-CSRHW-abc1.txt 150 Plain-text file with the extracted tune(s)
Tune-41939-get.log 8679 Log file, useful mostly for debugging
These files should be available for 24 hours.