pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-46531-Prisoners_Song_If_I_had_the_Wings_.ps) >>/Users/jc/w/tmp/Tune-46531-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/back.numachi.com/Prisoners_Song_If_I_had_the_Wings_.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-46531-Prisoners_Song_If_I_had_the_Wings_.abc 232 ABC music file with the extracted tune(s)
Tune-46531-Prisoners_Song_If_I_had_the_Wings_.ps 33109 PostScript
Tune-46531-Prisoners_Song_If_I_had_the_Wings_.txt 232 Plain-text file with the extracted tune(s)
Tune-46531-get.log 5058 Log file, useful mostly for debugging
These files should be available for 24 hours.