Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/William_Thomas_Green/24CountryDances_1771_Thompson.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6871-24CountryDances_1771_Thompson.ps) >>/Users/jc/w/tmp/Tune-6871-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/William_Thomas_Green/24CountryDances_1771_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-6871-24CountryDances_1771_Thompson.abc 182 ABC music file with the extracted tune(s)
Tune-6871-24CountryDances_1771_Thompson.ps 6 PostScript
Tune-6871-24CountryDances_1771_Thompson.txt 182 Plain-text file with the extracted tune(s)
Tune-6871-get.log 9971 Log file, useful mostly for debugging
Tune-68710-get.log 4530 Log file, useful mostly for debugging
Tune-68711-get.log 3644 Log file, useful mostly for debugging
Tune-68713-MichaelDabney_12Minuets12Dances-1760-V1.abc 179 ABC music file with the extracted tune(s)
Tune-68713-MichaelDabney_12Minuets12Dances-1760-V1.txt 179 Plain-text file with the extracted tune(s)
Tune-68713-get.log 3724 Log file, useful mostly for debugging
Tune-68714-get.log 3214 Log file, useful mostly for debugging
Tune-68716-get.log 3979 Log file, useful mostly for debugging
Tune-68717-get.log 4392 Log file, useful mostly for debugging
These files should be available for 24 hours.