Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/ScotsMusicalMuseumV5/CSRHW-abc1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5853-CSRHW-abc1.ps) >>/Users/jc/w/tmp/Tune-5853-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/ScotsMusicalMuseumV5/CSRHW-abc1.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_58536.log 974 Log file, useful mostly for debugging
Tune-5853-CSRHW-abc1.abc 163 ABC music file with the extracted tune(s)
Tune-5853-CSRHW-abc1.ps 6 PostScript
Tune-5853-CSRHW-abc1.txt 163 Plain-text file with the extracted tune(s)
Tune-5853-get.log 9778 Log file, useful mostly for debugging
Tune-58530-get.log 4853 Log file, useful mostly for debugging
Tune-58531-get.log 4298 Log file, useful mostly for debugging
Tune-58533-get.log 4457 Log file, useful mostly for debugging
Tune-58535-get.log 4224 Log file, useful mostly for debugging
Tune-58536-get.log 4224 Log file, useful mostly for debugging
Tune-58538-get.log 5437 Log file, useful mostly for debugging
Tune-58539-get.log 10394 Log file, useful mostly for debugging
These files should be available for 24 hours.