Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/CDM5/24CountryDances_1766.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6927-24CountryDances_1766.ps) >>/Users/jc/w/tmp/Tune-6927-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/CDM5/24CountryDances_1766.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_69272.log 984 Log file, useful mostly for debugging
Tune-6927-24CountryDances_1766.abc 157 ABC music file with the extracted tune(s)
Tune-6927-24CountryDances_1766.ps 6 PostScript
Tune-6927-24CountryDances_1766.txt 157 Plain-text file with the extracted tune(s)
Tune-6927-get.log 4276 Log file, useful mostly for debugging
Tune-69270-get.log 3796 Log file, useful mostly for debugging
Tune-69272-get.log 4505 Log file, useful mostly for debugging
Tune-69273-get.log 10628 Log file, useful mostly for debugging
Tune-69278-get.log 4492 Log file, useful mostly for debugging
These files should be available for 24 hours.