Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Tweed1/24CountryDances_1805_Thompson.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7513-24CountryDances_1805_Thompson.ps) >>/Users/jc/w/tmp/Tune-7513-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Tweed1/24CountryDances_1805_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_75131.log 155816 Log file, useful mostly for debugging
Coll_75135.log 127867 Log file, useful mostly for debugging
Tune-7513-24CountryDances_1805_Thompson.abc 168 ABC music file with the extracted tune(s)
Tune-7513-24CountryDances_1805_Thompson.ps 6 PostScript
Tune-7513-24CountryDances_1805_Thompson.txt 168 Plain-text file with the extracted tune(s)
Tune-7513-get.log 7735 Log file, useful mostly for debugging
Tune-75130-get.log 4251 Log file, useful mostly for debugging
Tune-75134-get.log 4340 Log file, useful mostly for debugging
These files should be available for 24 hours.