pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4754-BobbyGrahamsCoach.ps) >>/Users/jc/w/tmp/Tune-4754-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/Scotland/BobbyGrahamsCoach.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_4754.log 746 Log file, useful mostly for debugging
Form_47541.log 771 Log file, useful mostly for debugging
Form_47542.log 748 Log file, useful mostly for debugging
Form_47543.log 766 Log file, useful mostly for debugging
Tune-4754-BobbyGrahamsCoach.abc 478 ABC music file with the extracted tune(s)
Tune-4754-BobbyGrahamsCoach.ps 35845 PostScript
Tune-4754-BobbyGrahamsCoach.txt 478 Plain-text file with the extracted tune(s)
Tune-4754-get.log 4396 Log file, useful mostly for debugging
Tune-47540-get.log 7134 Log file, useful mostly for debugging
Tune-47541-get.log 3070 Log file, useful mostly for debugging
Tune-47542-get.log 7213 Log file, useful mostly for debugging
Tune-47544-get.log 2901 Log file, useful mostly for debugging
Tune-47547-get.log 7775 Log file, useful mostly for debugging
Tune-47548-get.log 4885 Log file, useful mostly for debugging
Tune-47549-get.log 3142 Log file, useful mostly for debugging
These files should be available for 24 hours.