pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1131-493_Jack_on_the_Green.ps) >>/Users/jc/w/tmp/Tune-1131-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/JohnTreat/GftF/493_Jack_on_the_Green.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-1131-493_Jack_on_the_Green.abc 603 ABC music file with the extracted tune(s)
Tune-1131-493_Jack_on_the_Green.ps 33763 PostScript
Tune-1131-493_Jack_on_the_Green.txt 603 Plain-text file with the extracted tune(s)
Tune-1131-get.log 13539 Log file, useful mostly for debugging
Tune-11310-get.log 4674 Log file, useful mostly for debugging
Tune-11311-get.log 4209 Log file, useful mostly for debugging
Tune-11314-get.log 8965 Log file, useful mostly for debugging
Tune-11317-get.log 4927 Log file, useful mostly for debugging
Tune-11318-get.log 5652 Log file, useful mostly for debugging
Tune-11319-get.log 3520 Log file, useful mostly for debugging
These files should be available for 24 hours.