pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2429-l.ps) >>/Users/jc/w/tmp/Tune-2429-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/atrilcoral.com/l.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
Find_24290.log 1858 Log file, useful mostly for debugging
Form_2429.log 832 Log file, useful mostly for debugging
Form_24291.log 847 Log file, useful mostly for debugging
Form_24298.log 854 Log file, useful mostly for debugging
Tune-2429-get.log 4305 Log file, useful mostly for debugging
Tune-2429-l.abc 600 ABC music file with the extracted tune(s)
Tune-2429-l.ps 40513 PostScript
Tune-2429-l.txt 600 Plain-text file with the extracted tune(s)
Tune-24293-get.log 4541 Log file, useful mostly for debugging
These files should be available for 24 hours.