pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9333-g.ps) >>/Users/jc/w/tmp/Tune-9333-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/redhawk.org/zouki/g.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_93330.log 260559 Log file, useful mostly for debugging
Coll_93331.log 261969 Log file, useful mostly for debugging
Coll_93332.log 139782 Log file, useful mostly for debugging
Coll_93338.log 269832 Log file, useful mostly for debugging
Form_93331.log 876 Log file, useful mostly for debugging
Form_93334.log 854 Log file, useful mostly for debugging
Tune-9333-g.abc 264 ABC music file with the extracted tune(s)
Tune-9333-g.ps 34358 PostScript
Tune-9333-g.txt 264 Plain-text file with the extracted tune(s)
Tune-9333-get.log 4243 Log file, useful mostly for debugging
Tune-93338-get.log 5550 Log file, useful mostly for debugging
These files should be available for 24 hours.