Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/cache/24CountryDances_1793_Preston.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4414-24CountryDances_1793_Preston.ps) >>/Users/jc/w/tmp/Tune-4414-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/cache/24CountryDances_1793_Preston.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-4414-24CountryDances_1793_Preston.abc 166 ABC music file with the extracted tune(s)
Tune-4414-24CountryDances_1793_Preston.ps 6 PostScript
Tune-4414-24CountryDances_1793_Preston.txt 166 Plain-text file with the extracted tune(s)
Tune-4414-get.log 4446 Log file, useful mostly for debugging
Tune-44140-Pringle.abc 145 ABC music file with the extracted tune(s)
Tune-44140-Pringle.pdf 2217 Portable Data Format
Tune-44140-Pringle.ps 6 PostScript
Tune-44140-Pringle.txt 145 Plain-text file with the extracted tune(s)
Tune-44140-get.log 4803 Log file, useful mostly for debugging
Tune-44141-get.log 8322 Log file, useful mostly for debugging
Tune-44147-get.log 4243 Log file, useful mostly for debugging
These files should be available for 24 hours.