pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2811-There_Was_an_Old_Miller.ps) >>/Users/jc/w/tmp/Tune-2811-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/konzertina.org/There_Was_an_Old_Miller.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
Form_28114.log 807 Log file, useful mostly for debugging
Form_28116.log 857 Log file, useful mostly for debugging
Form_28119.log 855 Log file, useful mostly for debugging
Tune-2811-There_Was_an_Old_Miller.abc 2054 ABC music file with the extracted tune(s)
Tune-2811-There_Was_an_Old_Miller.ps 36127 PostScript
Tune-2811-There_Was_an_Old_Miller.txt 2054 Plain-text file with the extracted tune(s)
Tune-2811-get.log 4881 Log file, useful mostly for debugging
Tune-28113-get.log 3385 Log file, useful mostly for debugging
Tune-28115-get.log 7681 Log file, useful mostly for debugging
Tune-28119-get.log 3763 Log file, useful mostly for debugging
These files should be available for 24 hours.