Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/PDF/24CountryDances_1774_Thompson.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7066-24CountryDances_1774_Thompson.ps) >>/Users/jc/w/tmp/Tune-7066-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/PDF/24CountryDances_1774_Thompson.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-7066-24CountryDances_1774_Thompson.abc 165 ABC music file with the extracted tune(s)
Tune-7066-24CountryDances_1774_Thompson.ps 6 PostScript
Tune-7066-24CountryDances_1774_Thompson.txt 165 Plain-text file with the extracted tune(s)
Tune-7066-get.log 4457 Log file, useful mostly for debugging
Tune-70662-get.log 4769 Log file, useful mostly for debugging
Tune-70664-CR-abc1.abc 156 ABC music file with the extracted tune(s)
Tune-70664-CR-abc1.pdf 2217 Portable Data Format
Tune-70664-CR-abc1.ps 6 PostScript
Tune-70664-CR-abc1.txt 156 Plain-text file with the extracted tune(s)
Tune-70664-get.log 4869 Log file, useful mostly for debugging
Tune-70665-JohnJohnson_ChoiceCollectionVol8-V2.abc 188 ABC music file with the extracted tune(s)
Tune-70665-JohnJohnson_ChoiceCollectionVol8-V2.ps 6 PostScript
Tune-70665-JohnJohnson_ChoiceCollectionVol8-V2.txt 188 Plain-text file with the extracted tune(s)
Tune-70665-get.log 4612 Log file, useful mostly for debugging
Tune-70667-get.log 3542 Log file, useful mostly for debugging
Tune-70669-get.log 14512 Log file, useful mostly for debugging
These files should be available for 24 hours.