Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/air/Pioneer.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2485-Pioneer.ps) >>/Users/jc/w/tmp/Tune-2485-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/air/Pioneer.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-2485-Pioneer.abc 143 ABC music file with the extracted tune(s)
Tune-2485-Pioneer.ps 6 PostScript
Tune-2485-Pioneer.txt 143 Plain-text file with the extracted tune(s)
Tune-2485-get.log 3995 Log file, useful mostly for debugging
Tune-24852-JohnWalsh.abc 146 ABC music file with the extracted tune(s)
Tune-24852-JohnWalsh.txt 146 Plain-text file with the extracted tune(s)
Tune-24852-get.log 3162 Log file, useful mostly for debugging
Tune-24854-24CountryDances_1770.abc 156 ABC music file with the extracted tune(s)
Tune-24854-24CountryDances_1770.pdf 2217 Portable Data Format
Tune-24854-24CountryDances_1770.ps 6 PostScript
Tune-24854-24CountryDances_1770.txt 156 Plain-text file with the extracted tune(s)
Tune-24854-get.log 5168 Log file, useful mostly for debugging
These files should be available for 24 hours.