Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Book22/24CountryDances_1770_Longman.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4567-24CountryDances_1770_Longman.ps) >>/Users/jc/w/tmp/Tune-4567-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Book22/24CountryDances_1770_Longman.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Coll_45673.log 1438764 Log file, useful mostly for debugging
Tune-4567-24CountryDances_1770_Longman.abc 167 ABC music file with the extracted tune(s)
Tune-4567-24CountryDances_1770_Longman.ps 6 PostScript
Tune-4567-24CountryDances_1770_Longman.txt 167 Plain-text file with the extracted tune(s)
Tune-4567-get.log 10281 Log file, useful mostly for debugging
Tune-45671-get.log 4716 Log file, useful mostly for debugging
Tune-45677-get.log 3368 Log file, useful mostly for debugging
Tune-45678-24CountryDances_1791_Thompson.abc 166 ABC music file with the extracted tune(s)
Tune-45678-24CountryDances_1791_Thompson.pdf 2217 Portable Data Format
Tune-45678-24CountryDances_1791_Thompson.ps 6 PostScript
Tune-45678-24CountryDances_1791_Thompson.txt 166 Plain-text file with the extracted tune(s)
Tune-45678-get.log 5435 Log file, useful mostly for debugging
These files should be available for 24 hours.