pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9368-2014NEFFA.ps) >>/Users/jc/w/tmp/Tune-9368-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/Contra/2014NEFFA.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_93685.log 506391 Log file, useful mostly for debugging
Form_93683.log 1077 Log file, useful mostly for debugging
Tune-9368-2014NEFFA.abc 6327 ABC music file with the extracted tune(s)
Tune-9368-2014NEFFA.ps 93291 PostScript
Tune-9368-2014NEFFA.txt 6327 Plain-text file with the extracted tune(s)
Tune-9368-get.log 11236 Log file, useful mostly for debugging
Tune-93686-get.log 11576 Log file, useful mostly for debugging
These files should be available for 24 hours.