pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8253-AGR05.ps) >>/Users/jc/w/tmp/Tune-8253-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Scotland/AGR05.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_82533.log 551800 Log file, useful mostly for debugging
Coll_82534.log 292760 Log file, useful mostly for debugging
Tune-8253-AGR05.abc 1603 ABC music file with the extracted tune(s)
Tune-8253-AGR05.ps 47369 PostScript
Tune-8253-AGR05.txt 1603 Plain-text file with the extracted tune(s)
Tune-8253-get.log 4272 Log file, useful mostly for debugging
Tune-82531-get.log 3472 Log file, useful mostly for debugging
Tune-82539-get.log 3526 Log file, useful mostly for debugging
These files should be available for 24 hours.