pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5599-RedJHouse2.ps) >>/Users/jc/w/tmp/Tune-5599-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Scotland/RedJHouse2.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_55992.log 896180 Log file, useful mostly for debugging
Coll_55995.log 281520 Log file, useful mostly for debugging
Tune-5599-RedJHouse2.abc 2929 ABC music file with the extracted tune(s)
Tune-5599-RedJHouse2.ps 49795 PostScript
Tune-5599-RedJHouse2.txt 2929 Plain-text file with the extracted tune(s)
Tune-5599-get.log 8993 Log file, useful mostly for debugging
These files should be available for 24 hours.