Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Brodie/CDfNH1783.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1353-CDfNH1783.ps) >>/Users/jc/w/tmp/Tune-1353-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Brodie/CDfNH1783.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_13539.log 890 Log file, useful mostly for debugging
Tune-1353-CDfNH1783.abc 148 ABC music file with the extracted tune(s)
Tune-1353-CDfNH1783.ps 6 PostScript
Tune-1353-CDfNH1783.txt 148 Plain-text file with the extracted tune(s)
Tune-1353-get.log 4055 Log file, useful mostly for debugging
Tune-13531-get.log 4780 Log file, useful mostly for debugging
Tune-13532-get.log 5104 Log file, useful mostly for debugging
Tune-13534-get.log 4858 Log file, useful mostly for debugging
Tune-13534-v3tune.abc 158 ABC music file with the extracted tune(s)
Tune-13534-v3tune.pdf 2217 Portable Data Format
Tune-13534-v3tune.ps 6 PostScript
Tune-13534-v3tune.txt 158 Plain-text file with the extracted tune(s)
Tune-13539-get.log 6202 Log file, useful mostly for debugging
These files should be available for 24 hours.