Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/HUTB2/24CountryDances_1767_Thompson.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5122-24CountryDances_1767_Thompson.ps) >>/Users/jc/w/tmp/Tune-5122-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/HUTB2/24CountryDances_1767_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
Form_51224.log 848 Log file, useful mostly for debugging
Tune-5122-24CountryDances_1767_Thompson.abc 167 ABC music file with the extracted tune(s)
Tune-5122-24CountryDances_1767_Thompson.ps 6 PostScript
Tune-5122-24CountryDances_1767_Thompson.txt 167 Plain-text file with the extracted tune(s)
Tune-5122-get.log 4471 Log file, useful mostly for debugging
Tune-51220-BotCDaSS.abc 145 ABC music file with the extracted tune(s)
Tune-51220-BotCDaSS.txt 145 Plain-text file with the extracted tune(s)
Tune-51220-get.log 3150 Log file, useful mostly for debugging
Tune-51221-get.log 4868 Log file, useful mostly for debugging
Tune-51223-get.log 10969 Log file, useful mostly for debugging
Tune-51227-get.log 4335 Log file, useful mostly for debugging
These files should be available for 24 hours.