pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4505-itunenet.ps) >>/Users/jc/w/tmp/Tune-4505-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/redhawk.org/other/itunenet.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-4505-get.log 50776 Log file, useful mostly for debugging
Tune-4505-itunenet.abc 402 ABC music file with the extracted tune(s)
Tune-4505-itunenet.ps 34888 PostScript
Tune-4505-itunenet.txt 402 Plain-text file with the extracted tune(s)
Tune-45050-get.log 3081 Log file, useful mostly for debugging
Tune-45054-get.log 688 Log file, useful mostly for debugging
Tune-45056-get.log 3160 Log file, useful mostly for debugging
These files should be available for 24 hours.