Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Ruby/JohnJohnson_ChoiceCollectionVol8-VMP.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8219-JohnJohnson_ChoiceCollectionVol8-VMP.ps) >>/Users/jc/w/tmp/Tune-8219-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Ruby/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
Coll_82196.log 286209 Log file, useful mostly for debugging
Tune-8219-JohnJohnson_ChoiceCollectionVol8-VMP.abc 173 ABC music file with the extracted tune(s)
Tune-8219-JohnJohnson_ChoiceCollectionVol8-VMP.ps 6 PostScript
Tune-8219-JohnJohnson_ChoiceCollectionVol8-VMP.txt 173 Plain-text file with the extracted tune(s)
Tune-8219-MinnieFostersClog.abc 585 ABC music file with the extracted tune(s)
Tune-8219-MinnieFostersClog.pdf 19759 Portable Data Format
Tune-8219-MinnieFostersClog.ps 38286 PostScript
Tune-8219-MinnieFostersClog.txt 585 Plain-text file with the extracted tune(s)
Tune-8219-get.log 10131 Log file, useful mostly for debugging
Tune-82190-get.log 5224 Log file, useful mostly for debugging
Tune-82191-get.log 2909 Log file, useful mostly for debugging
Tune-82192-get.log 5418 Log file, useful mostly for debugging
Tune-82199-get.log 4402 Log file, useful mostly for debugging
These files should be available for 24 hours.