pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1508-NoneSoPretty.ps) >>/Users/jc/w/tmp/Tune-1508-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Scotland/NoneSoPretty.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_15080.log 285735 Log file, useful mostly for debugging
Coll_15084.log 476819 Log file, useful mostly for debugging
Tune-1508-NoneSoPretty.abc 2068 ABC music file with the extracted tune(s)
Tune-1508-NoneSoPretty.ps 45771 PostScript
Tune-1508-NoneSoPretty.txt 2068 Plain-text file with the extracted tune(s)
Tune-1508-get.log 4854 Log file, useful mostly for debugging
Tune-15081-get.log 1390 Log file, useful mostly for debugging
Tune-15085-get.log 1390 Log file, useful mostly for debugging
These files should be available for 24 hours.