pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3113-10563_BLACKSMITHS_HORNPIPE.ps) >>/Users/jc/w/tmp/Tune-3113-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Kohlers/10563_BLACKSMITHS_HORNPIPE.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_31136.log 133128 Log file, useful mostly for debugging
Coll_31137.log 261851 Log file, useful mostly for debugging
Coll_31139.log 292761 Log file, useful mostly for debugging
Form_31139.log 868 Log file, useful mostly for debugging
Tune-3113-10563_BLACKSMITHS_HORNPIPE.abc 591 ABC music file with the extracted tune(s)
Tune-3113-10563_BLACKSMITHS_HORNPIPE.ps 36149 PostScript
Tune-3113-10563_BLACKSMITHS_HORNPIPE.txt 591 Plain-text file with the extracted tune(s)
Tune-3113-get.log 4820 Log file, useful mostly for debugging
Tune-31130-get.log 4843 Log file, useful mostly for debugging
Tune-31131-get.log 3653 Log file, useful mostly for debugging
These files should be available for 24 hours.