pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2262-e-f.ps) >>/Users/jc/w/tmp/Tune-2262-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/terra.es/personal8/niltoni/e-f.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
Form_2262.log 0 Log file, useful mostly for debugging
Form_22622.log 749 Log file, useful mostly for debugging
Form_22624.log 754 Log file, useful mostly for debugging
Tune-2262-e-f.abc 276 ABC music file with the extracted tune(s)
Tune-2262-e-f.ps 35627 PostScript
Tune-2262-e-f.txt 276 Plain-text file with the extracted tune(s)
Tune-2262-get.log 4331 Log file, useful mostly for debugging
Tune-22620-get.log 4598 Log file, useful mostly for debugging
Tune-22627-get.log 4473 Log file, useful mostly for debugging
These files should be available for 24 hours.