Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/X/24CountryDances_1774_Thompson.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8371-24CountryDances_1774_Thompson.ps) >>/Users/jc/w/tmp/Tune-8371-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/X/24CountryDances_1774_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_83715.log 540559 Log file, useful mostly for debugging
Coll_83718.log 278710 Log file, useful mostly for debugging
Tune-8371-24CountryDances_1774_Thompson.abc 163 ABC music file with the extracted tune(s)
Tune-8371-24CountryDances_1774_Thompson.ps 6 PostScript
Tune-8371-24CountryDances_1774_Thompson.txt 163 Plain-text file with the extracted tune(s)
Tune-8371-get.log 4447 Log file, useful mostly for debugging
Tune-83714-CSRHW-abc2.abc 175 ABC music file with the extracted tune(s)
Tune-83714-CSRHW-abc2.txt 175 Plain-text file with the extracted tune(s)
Tune-83714-get.log 3350 Log file, useful mostly for debugging
These files should be available for 24 hours.