pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5227-StarryEyedLassie1.ps) >>/Users/jc/w/tmp/Tune-5227-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Scotland/StarryEyedLassie1.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_52276.log 277305 Log file, useful mostly for debugging
Coll_52278.log 299788 Log file, useful mostly for debugging
Tune-5227-StarryEyedLassie1.abc 2233 ABC music file with the extracted tune(s)
Tune-5227-StarryEyedLassie1.ps 49827 PostScript
Tune-5227-StarryEyedLassie1.txt 2233 Plain-text file with the extracted tune(s)
Tune-5227-get.log 5011 Log file, useful mostly for debugging
Tune-52272-get.log 1347 Log file, useful mostly for debugging
These files should be available for 24 hours.