pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8096-JamesGray1.ps) >>/Users/jc/w/tmp/Tune-8096-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Scotland/JamesGray1.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_80960.log 292760 Log file, useful mostly for debugging
Coll_80962.log 284330 Log file, useful mostly for debugging
Coll_80965.log 96014 Log file, useful mostly for debugging
Coll_80967.log 281520 Log file, useful mostly for debugging
Tune-8096-JamesGray1.abc 1753 ABC music file with the extracted tune(s)
Tune-8096-JamesGray1.ps 47902 PostScript
Tune-8096-JamesGray1.txt 1753 Plain-text file with the extracted tune(s)
Tune-8096-get.log 4777 Log file, useful mostly for debugging
These files should be available for 24 hours.