pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2208-BuckingJig.ps) >>/Users/jc/w/tmp/Tune-2208-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Scotland/BuckingJig.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_22082.log 684759 Log file, useful mostly for debugging
Coll_22088.log 281520 Log file, useful mostly for debugging
Tune-2208-BuckingJig.abc 2031 ABC music file with the extracted tune(s)
Tune-2208-BuckingJig.ps 49471 PostScript
Tune-2208-BuckingJig.txt 2031 Plain-text file with the extracted tune(s)
Tune-2208-get.log 4795 Log file, useful mostly for debugging
These files should be available for 24 hours.