Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Book21/24CountryDances_1782_Skillern.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9623-24CountryDances_1782_Skillern.ps) >>/Users/jc/w/tmp/Tune-9623-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Book21/24CountryDances_1782_Skillern.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Tune-9623-24CountryDances_1782_Skillern.abc 168 ABC music file with the extracted tune(s)
Tune-9623-24CountryDances_1782_Skillern.ps 6 PostScript
Tune-9623-24CountryDances_1782_Skillern.txt 168 Plain-text file with the extracted tune(s)
Tune-9623-get.log 4475 Log file, useful mostly for debugging
Tune-96230-get.log 1343 Log file, useful mostly for debugging
Tune-96232-get.log 5222 Log file, useful mostly for debugging
Tune-96234-get.log 1468 Log file, useful mostly for debugging
Tune-96235-get.log 4477 Log file, useful mostly for debugging
Tune-96238-get.log 1398 Log file, useful mostly for debugging
These files should be available for 24 hours.