Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/reel/CJSurtees.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6766-CJSurtees.ps) >>/Users/jc/w/tmp/Tune-6766-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/reel/CJSurtees.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-6766-CJSurtees.abc 146 ABC music file with the extracted tune(s)
Tune-6766-CJSurtees.ps 6 PostScript
Tune-6766-CJSurtees.txt 146 Plain-text file with the extracted tune(s)
Tune-6766-get.log 4043 Log file, useful mostly for debugging
Tune-67663-WilliamWinterQuantocks.abc 159 ABC music file with the extracted tune(s)
Tune-67663-WilliamWinterQuantocks.pdf 2217 Portable Data Format
Tune-67663-WilliamWinterQuantocks.ps 6 PostScript
Tune-67663-WilliamWinterQuantocks.txt 159 Plain-text file with the extracted tune(s)
Tune-67663-get.log 5232 Log file, useful mostly for debugging
Tune-67664-get.log 3616 Log file, useful mostly for debugging
Tune-67666-ERM-V2.abc 143 ABC music file with the extracted tune(s)
Tune-67666-ERM-V2.txt 143 Plain-text file with the extracted tune(s)
Tune-67666-get.log 3112 Log file, useful mostly for debugging
Tune-67667-get.log 6023 Log file, useful mostly for debugging
Tune-67668-24CountryDances_1803_Preston.abc 165 ABC music file with the extracted tune(s)
Tune-67668-24CountryDances_1803_Preston.txt 165 Plain-text file with the extracted tune(s)
Tune-67668-get.log 3510 Log file, useful mostly for debugging
These files should be available for 24 hours.