pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-94529-l.ps) >>/Users/jc/w/tmp/Tune-94529-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/terra.es/personal8/niltoni/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
Coll_94529.log 65534 Log file, useful mostly for debugging
Tune-94529-get.log 4169 Log file, useful mostly for debugging
Tune-94529-l.abc 353 ABC music file with the extracted tune(s)
Tune-94529-l.ps 35859 PostScript
Tune-94529-l.txt 353 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.