Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/jpg/24CountryDances_1782_Thompson.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6679-24CountryDances_1782_Thompson.ps) >>/Users/jc/w/tmp/Tune-6679-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/jpg/24CountryDances_1782_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
Form_66791.log 823 Log file, useful mostly for debugging
Tune-6679-24CountryDances_1782_Thompson.abc 165 ABC music file with the extracted tune(s)
Tune-6679-24CountryDances_1782_Thompson.ps 6 PostScript
Tune-6679-24CountryDances_1782_Thompson.txt 165 Plain-text file with the extracted tune(s)
Tune-6679-get.log 4455 Log file, useful mostly for debugging
Tune-66792-get.log 4880 Log file, useful mostly for debugging
Tune-66793-get.log 3528 Log file, useful mostly for debugging
Tune-66796-get.log 4341 Log file, useful mostly for debugging
Tune-66798-get.log 4737 Log file, useful mostly for debugging
Tune-66799-get.log 5770 Log file, useful mostly for debugging
These files should be available for 24 hours.