pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-13527-20441_Mrs_MacDonald.ps) >>/Users/jc/w/tmp/Tune-13527-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/ERM/20441_Mrs_MacDonald.abc

Error exit status 256; here are some files to check:

[P=get.cgi V=1/1 B=0 scale=0.60 512x512 PNG]
filesizedescription
Coll_13527.log 67154 Log file, useful mostly for debugging
Tune-13527-20441_Mrs_MacDonald.abc 539 ABC music file with the extracted tune(s)
Tune-13527-20441_Mrs_MacDonald.ps 37894 PostScript
Tune-13527-20441_Mrs_MacDonald.txt 539 Plain-text file with the extracted tune(s)
Tune-13527-get.log 9349 Log file, useful mostly for debugging
These files should be available for 24 hours.