Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/cache/Kilkenny_Hornpipe.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8711-Kilkenny_Hornpipe.ps) >>/Users/jc/w/tmp/Tune-8711-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/cache/Kilkenny_Hornpipe.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_87118.log 834 Log file, useful mostly for debugging
Tune-8711-24CountryDances_1771_Randall.abc 165 ABC music file with the extracted tune(s)
Tune-8711-24CountryDances_1771_Randall.ps 6 PostScript
Tune-8711-24CountryDances_1771_Randall.txt 165 Plain-text file with the extracted tune(s)
Tune-8711-Kilkenny_Hornpipe.abc 155 ABC music file with the extracted tune(s)
Tune-8711-Kilkenny_Hornpipe.ps 6 PostScript
Tune-8711-Kilkenny_Hornpipe.txt 155 Plain-text file with the extracted tune(s)
Tune-8711-get.log 26459 Log file, useful mostly for debugging
Tune-87111-get.log 5787 Log file, useful mostly for debugging
Tune-87112-get.log 26116 Log file, useful mostly for debugging
Tune-87117-get.log 4537 Log file, useful mostly for debugging
Tune-87118-get.log 3904 Log file, useful mostly for debugging
These files should be available for 24 hours.