pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-67216-jeannie-oban.ps) >>/Users/jc/w/tmp/Tune-67216-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/ceilidhband.org/tunes/jeannie-oban.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-67216-get.log 4333 Log file, useful mostly for debugging
Tune-67216-jeannie-oban.abc 389 ABC music file with the extracted tune(s)
Tune-67216-jeannie-oban.ps 38007 PostScript
Tune-67216-jeannie-oban.txt 389 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.