Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/GftF/24CountryDances_1803_Gray_Thompson.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9966-24CountryDances_1803_Gray_Thompson.ps) >>/Users/jc/w/tmp/Tune-9966-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/GftF/24CountryDances_1803_Gray_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-9966-24CountryDances_1803_Gray_Thompson.abc 171 ABC music file with the extracted tune(s)
Tune-9966-24CountryDances_1803_Gray_Thompson.ps 6 PostScript
Tune-9966-24CountryDances_1803_Gray_Thompson.txt 171 Plain-text file with the extracted tune(s)
Tune-9966-get.log 4571 Log file, useful mostly for debugging
Tune-99660-get.log 4909 Log file, useful mostly for debugging
Tune-99664-get.log 4528 Log file, useful mostly for debugging
Tune-99665-get.log 5768 Log file, useful mostly for debugging
Tune-99667-get.log 8227 Log file, useful mostly for debugging
Tune-99668-get.log 4338 Log file, useful mostly for debugging
Tune-99669-24CountryDances_1803_Gray_Thompson.abc 172 ABC music file with the extracted tune(s)
Tune-99669-24CountryDances_1803_Gray_Thompson.txt 172 Plain-text file with the extracted tune(s)
Tune-99669-get.log 3622 Log file, useful mostly for debugging
These files should be available for 24 hours.