pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-66344-GushetNeuk.ps) >>/Users/jc/w/tmp/Tune-66344-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Scotland/GushetNeuk.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Coll_66344.log 278710 Log file, useful mostly for debugging
Tune-66344-GushetNeuk.abc 1363 ABC music file with the extracted tune(s)
Tune-66344-GushetNeuk.ps 42406 PostScript
Tune-66344-GushetNeuk.txt 1363 Plain-text file with the extracted tune(s)
Tune-66344-get.log 4801 Log file, useful mostly for debugging
These files should be available for 24 hours.