Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/AdvancedSD/24CountryDances_1770.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8039-24CountryDances_1770.ps) >>/Users/jc/w/tmp/Tune-8039-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/AdvancedSD/24CountryDances_1770.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-8039-24CountryDances_1770.abc 163 ABC music file with the extracted tune(s)
Tune-8039-24CountryDances_1770.ps 6 PostScript
Tune-8039-24CountryDances_1770.txt 163 Plain-text file with the extracted tune(s)
Tune-8039-get.log 4310 Log file, useful mostly for debugging
Tune-80391-get.log 1495 Log file, useful mostly for debugging
Tune-80394-get.log 6754 Log file, useful mostly for debugging
Tune-80395-get.log 4402 Log file, useful mostly for debugging
Tune-80396-get.log 3356 Log file, useful mostly for debugging
Tune-80398-get.log 4096 Log file, useful mostly for debugging
These files should be available for 24 hours.