Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/ScotsMusicalMuseumV5/_.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2492-_.ps) >>/Users/jc/w/tmp/Tune-2492-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/ScotsMusicalMuseumV5/_.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-2492-_.abc 154 ABC music file with the extracted tune(s)
Tune-2492-_.ps 6 PostScript
Tune-2492-_.txt 154 Plain-text file with the extracted tune(s)
Tune-2492-get.log 6870 Log file, useful mostly for debugging
Tune-24922-get.log 4085 Log file, useful mostly for debugging
Tune-24923-get.log 11191 Log file, useful mostly for debugging
Tune-24924-Gow-CSR2-abc1.abc 158 ABC music file with the extracted tune(s)
Tune-24924-Gow-CSR2-abc1.ps 6 PostScript
Tune-24924-Gow-CSR2-abc1.txt 158 Plain-text file with the extracted tune(s)
Tune-24924-get.log 4100 Log file, useful mostly for debugging
Tune-24925-get.log 5635 Log file, useful mostly for debugging
Tune-24926-get.log 5191 Log file, useful mostly for debugging
Tune-24929-get.log 5362 Log file, useful mostly for debugging
These files should be available for 24 hours.