Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/_1001/24CountryDances_1780_Thompson.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9951-24CountryDances_1780_Thompson.ps) >>/Users/jc/w/tmp/Tune-9951-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/_1001/24CountryDances_1780_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_99515.log 282010 Log file, useful mostly for debugging
Tune-9951-24CountryDances_1780_Thompson.abc 167 ABC music file with the extracted tune(s)
Tune-9951-24CountryDances_1780_Thompson.ps 6 PostScript
Tune-9951-24CountryDances_1780_Thompson.txt 167 Plain-text file with the extracted tune(s)
Tune-9951-get.log 8523 Log file, useful mostly for debugging
Tune-99511-24CountryDances_1808_Goulding_AK.abc 169 ABC music file with the extracted tune(s)
Tune-99511-24CountryDances_1808_Goulding_AK.txt 169 Plain-text file with the extracted tune(s)
Tune-99511-get.log 3584 Log file, useful mostly for debugging
Tune-99514-get.log 3520 Log file, useful mostly for debugging
Tune-99515-get.log 5182 Log file, useful mostly for debugging
Tune-99516-get.log 3903 Log file, useful mostly for debugging
Tune-99517-get.log 3330 Log file, useful mostly for debugging
These files should be available for 24 hours.