pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-41052-20441_Mrs_MacDonald.ps) >>/Users/jc/w/tmp/Tune-41052-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/ERM/20441_Mrs_MacDonald.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Form_41052.log 1939 Log file, useful mostly for debugging
Tune-41052-20441_Mrs_MacDonald.abc 634 ABC music file with the extracted tune(s)
Tune-41052-20441_Mrs_MacDonald.ps 37733 PostScript
Tune-41052-20441_Mrs_MacDonald.txt 634 Plain-text file with the extracted tune(s)
Tune-41052-get.log 4660 Log file, useful mostly for debugging
These files should be available for 24 hours.