pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1592-jol2.ps) >>/Users/jc/w/tmp/Tune-1592-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/redhawk.org/zouki/jol2.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-1592-get.log 20578 Log file, useful mostly for debugging
Tune-1592-jol2.abc 408 ABC music file with the extracted tune(s)
Tune-1592-jol2.ps 34427 PostScript
Tune-1592-jol2.txt 408 Plain-text file with the extracted tune(s)
Tune-15924-get.log 24557 Log file, useful mostly for debugging
These files should be available for 24 hours.