pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2193-Shottish_4.ps) >>/Users/jc/w/tmp/Tune-2193-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/shottish/Shottish_4.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Find_21938.log 1511 Log file, useful mostly for debugging
Tune-2193-Shottish_4.abc 422 ABC music file with the extracted tune(s)
Tune-2193-Shottish_4.ps 33632 PostScript
Tune-2193-Shottish_4.txt 422 Plain-text file with the extracted tune(s)
Tune-2193-get.log 7547 Log file, useful mostly for debugging
Tune-21932-get.log 5620 Log file, useful mostly for debugging
Tune-21935-get.log 10198 Log file, useful mostly for debugging
These files should be available for 24 hours.