Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Book13/24CountryDances_1771_Thompson.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5426-24CountryDances_1771_Thompson.ps) >>/Users/jc/w/tmp/Tune-5426-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Book13/24CountryDances_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_5426.log 128506 Log file, useful mostly for debugging
Find_54260.log 1616 Log file, useful mostly for debugging
Form_54260.log 810 Log file, useful mostly for debugging
Form_54262.log 1074 Log file, useful mostly for debugging
Form_54269.log 948 Log file, useful mostly for debugging
Tune-5426-24CountryDances_1771_Thompson.abc 168 ABC music file with the extracted tune(s)
Tune-5426-24CountryDances_1771_Thompson.ps 6 PostScript
Tune-5426-24CountryDances_1771_Thompson.txt 168 Plain-text file with the extracted tune(s)
Tune-5426-get.log 4477 Log file, useful mostly for debugging
Tune-54261-get.log 4533 Log file, useful mostly for debugging
Tune-54262-get.log 10306 Log file, useful mostly for debugging
Tune-54267-get.log 4332 Log file, useful mostly for debugging
Tune-54268-get.log 6485 Log file, useful mostly for debugging
These files should be available for 24 hours.