Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/NewColl44Cot/24CountryDances_1796_Preston.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-92484-24CountryDances_1796_Preston.ps) >>/Users/jc/w/tmp/Tune-92484-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/NewColl44Cot/24CountryDances_1796_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-92484-24CountryDances_1796_Preston.abc 173 ABC music file with the extracted tune(s)
Tune-92484-24CountryDances_1796_Preston.ps 6 PostScript
Tune-92484-24CountryDances_1796_Preston.txt 173 Plain-text file with the extracted tune(s)
Tune-92484-alltunes.abc 10863 ABC music file with the extracted tune(s)
Tune-92484-alltunes.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-92484-alltunes.ps 80427 PostScript
Tune-92484-alltunes.txt 10863 Plain-text file with the extracted tune(s)
Tune-92484-get.log 16525 Log file, useful mostly for debugging
These files should be available for 24 hours.