pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-30551-Morsiusmarssi.ps) >>/Users/jc/w/tmp/Tune-30551-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/march/Morsiusmarssi.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
Tune-30551-Morsiusmarssi.abc 688 ABC music file with the extracted tune(s)
Tune-30551-Morsiusmarssi.ps 38403 PostScript
Tune-30551-Morsiusmarssi.txt 688 Plain-text file with the extracted tune(s)
Tune-30551-get.log 6097 Log file, useful mostly for debugging
These files should be available for 24 hours.