pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4739-Irish3.ps) >>/Users/jc/w/tmp/Tune-4739-get.log 2>&1" returned status 256
http://jjaquier.free.fr/midifiles/abc/Irish3.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_47392.log 854 Log file, useful mostly for debugging
Form_47395.log 863 Log file, useful mostly for debugging
Form_47398.log 476 Log file, useful mostly for debugging
Tune-4739-Irish3.abc 0 ABC music file with the extracted tune(s)
Tune-4739-Irish3.ps 0 PostScript
Tune-4739-get.log 0 Log file, useful mostly for debugging
Tune-47391-get.log 4190 Log file, useful mostly for debugging
Tune-47395-get.log 4101 Log file, useful mostly for debugging
Tune-47398-get.log 2485 Log file, useful mostly for debugging
These files should be available for 24 hours.