pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-30866-shottish.ps) >>/Users/jc/w/tmp/Tune-30866-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/Finland/shottish.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_30866.log 239370 Log file, useful mostly for debugging
Tune-30866-get.log 60126 Log file, useful mostly for debugging
Tune-30866-shottish.abc 45042 ABC music file with the extracted tune(s)
Tune-30866-shottish.ps 492754 PostScript
Tune-30866-shottish.txt 45042 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.