Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/CCCCD/24CountryDances_1771_Thompson.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3763-24CountryDances_1771_Thompson.ps) >>/Users/jc/w/tmp/Tune-3763-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/CCCCD/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
Coll_37630.log 609611 Log file, useful mostly for debugging
Tune-3763-24CountryDances_1771_Thompson.abc 167 ABC music file with the extracted tune(s)
Tune-3763-24CountryDances_1771_Thompson.ps 6 PostScript
Tune-3763-24CountryDances_1771_Thompson.txt 167 Plain-text file with the extracted tune(s)
Tune-3763-get.log 7871 Log file, useful mostly for debugging
Tune-37632-BonnieKatesReel.abc 502 ABC music file with the extracted tune(s)
Tune-37632-BonnieKatesReel.ps 35678 PostScript
Tune-37632-BonnieKatesReel.txt 502 Plain-text file with the extracted tune(s)
Tune-37632-get.log 4754 Log file, useful mostly for debugging
Tune-37634-get.log 7807 Log file, useful mostly for debugging
Tune-37635-get.log 4338 Log file, useful mostly for debugging
Tune-37638-get.log 3090 Log file, useful mostly for debugging
These files should be available for 24 hours.