Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/CDM5/24CountryDances_1791_Thompson.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8960-24CountryDances_1791_Thompson.ps) >>/Users/jc/w/tmp/Tune-8960-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/CDM5/24CountryDances_1791_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
Form_89606.log 952 Log file, useful mostly for debugging
Tune-8960-24CountryDances_1791_Thompson.abc 166 ABC music file with the extracted tune(s)
Tune-8960-24CountryDances_1791_Thompson.ps 6 PostScript
Tune-8960-24CountryDances_1791_Thompson.txt 166 Plain-text file with the extracted tune(s)
Tune-8960-get.log 8454 Log file, useful mostly for debugging
Tune-89600-1056_a_Scotch_Tune-001.svg 24050 Scalable Vector Graphics format
Tune-89600-1056_a_Scotch_Tune.abc 827 ABC music file with the extracted tune(s)
Tune-89600-1056_a_Scotch_Tune.txt 827 Plain-text file with the extracted tune(s)
Tune-89600-get.log 66400 Log file, useful mostly for debugging
Tune-89601-get.log 4276 Log file, useful mostly for debugging
Tune-89602-get.log 8841 Log file, useful mostly for debugging
Tune-89605-get.log 10036 Log file, useful mostly for debugging
Tune-89606-get.log 3506 Log file, useful mostly for debugging
Tune-89609-get.log 3690 Log file, useful mostly for debugging
These files should be available for 24 hours.