Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Pinewoods/24CountryDances_1776_Thompson.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6761-24CountryDances_1776_Thompson.ps) >>/Users/jc/w/tmp/Tune-6761-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Pinewoods/24CountryDances_1776_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_6761.log 268009 Log file, useful mostly for debugging
Form_6761.log 955 Log file, useful mostly for debugging
Form_67614.log 908 Log file, useful mostly for debugging
Form_67619.log 849 Log file, useful mostly for debugging
Tune-6761-24CountryDances_1776_Thompson.abc 171 ABC music file with the extracted tune(s)
Tune-6761-24CountryDances_1776_Thompson.ps 6 PostScript
Tune-6761-24CountryDances_1776_Thompson.txt 171 Plain-text file with the extracted tune(s)
Tune-6761-get.log 4491 Log file, useful mostly for debugging
Tune-67614-get.log 4814 Log file, useful mostly for debugging
Tune-67615-get.log 6868 Log file, useful mostly for debugging
Tune-67617-get.log 2755 Log file, useful mostly for debugging
Tune-67618-get.log 4426 Log file, useful mostly for debugging
These files should be available for 24 hours.