pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6178-3lfpublic.ps) >>/Users/jc/w/tmp/Tune-6178-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/mindspring.com/~dmilewski/ecdp/3lfpublic.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_61781.log 107600 Log file, useful mostly for debugging
Form_61782.log 811 Log file, useful mostly for debugging
Tune-6178-3lfpublic.abc 150 ABC music file with the extracted tune(s)
Tune-6178-3lfpublic.ps 32097 PostScript
Tune-6178-3lfpublic.txt 150 Plain-text file with the extracted tune(s)
Tune-6178-get.log 10057 Log file, useful mostly for debugging
Tune-61787-get.log 60578 Log file, useful mostly for debugging
These files should be available for 24 hours.