pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-68165-RossMeor.ps) >>/Users/jc/w/tmp/Tune-68165-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Scotland/RossMeor.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_68165.log 556017 Log file, useful mostly for debugging
Tune-68165-RossMeor.abc 852 ABC music file with the extracted tune(s)
Tune-68165-RossMeor.ps 38612 PostScript
Tune-68165-RossMeor.txt 852 Plain-text file with the extracted tune(s)
Tune-68165-get.log 4707 Log file, useful mostly for debugging
These files should be available for 24 hours.