Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/jpg/Pioneer.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7036-Pioneer.ps) >>/Users/jc/w/tmp/Tune-7036-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/jpg/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-7036-24CountryDances_1779_Thompson.abc 165 ABC music file with the extracted tune(s)
Tune-7036-24CountryDances_1779_Thompson.ps 6 PostScript
Tune-7036-24CountryDances_1779_Thompson.txt 165 Plain-text file with the extracted tune(s)
Tune-7036-Pioneer.abc 143 ABC music file with the extracted tune(s)
Tune-7036-Pioneer.ps 6 PostScript
Tune-7036-Pioneer.txt 143 Plain-text file with the extracted tune(s)
Tune-7036-get.log 8364 Log file, useful mostly for debugging
Tune-70361-get.log 5555 Log file, useful mostly for debugging
Tune-70364-get.log 5730 Log file, useful mostly for debugging
Tune-70365-24CountryDances_1809_Cahusac_FTM.abc 172 ABC music file with the extracted tune(s)
Tune-70365-24CountryDances_1809_Cahusac_FTM.pdf 2217 Portable Data Format
Tune-70365-24CountryDances_1809_Cahusac_FTM.ps 6 PostScript
Tune-70365-24CountryDances_1809_Cahusac_FTM.txt 172 Plain-text file with the extracted tune(s)
Tune-70365-get.log 8278 Log file, useful mostly for debugging
Tune-70369-get.log 2765 Log file, useful mostly for debugging
These files should be available for 24 hours.